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Dr. Jacek Francikowski
University of Silesia in Katowice, Faculty of Natural Sciences, Institute of Biology, Biotechnology and Environmental Protection; ul. Bankowa 9, PL 40-007 Katowice, Poland

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0 Insect
0 Molecular Biology
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0 Physiology And Biochemistry

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Journal article
Published: 27 July 2021 in Molecules
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Due to the rise of numerous legal restrictions as well as the increasing emergence of resistant populations, the number of available pesticides is decreasing significantly. One of the potential alternatives often described in the literature are essential oils (EOs). However, there is a lack of research addressing the potential emergence of resistance to this group of substances. In this paper, we investigated the multi-generational effects of sublethal concentrations of rosemary oil (Rosmarinus officinalis) on physiological and biochemical parameters of the cowpea weevil (Callosobruchus maculatus) such as egg laying, hatchability, oxygen consumption and acetylcholinesterase activity. Imago, which as larvae were exposed to EO at concentrations equivalent to LC25, showed significantly lower mortality. The results obtained indicate the potential development of resistance in insects exposed to EO in concentrations corresponding to LC25. In addition, in the case of the group treated with an EO concentration corresponding to LC3.12, a stimulation effect of the above-mentioned parameters was observed, which may indicate the occurrence of a hormesis effect. The obtained results may be an important reference for the development of future guidelines and EO-based insecticides.

ACS Style

Michał Krzyżowski; Bartosz Baran; Jacek Francikowski. Intergenerational Transmission of Resistance of Callosobruchus maculatus to Essential Oil Treatment. Molecules 2021, 26, 4541 .

AMA Style

Michał Krzyżowski, Bartosz Baran, Jacek Francikowski. Intergenerational Transmission of Resistance of Callosobruchus maculatus to Essential Oil Treatment. Molecules. 2021; 26 (15):4541.

Chicago/Turabian Style

Michał Krzyżowski; Bartosz Baran; Jacek Francikowski. 2021. "Intergenerational Transmission of Resistance of Callosobruchus maculatus to Essential Oil Treatment." Molecules 26, no. 15: 4541.

Communication
Published: 27 March 2021 in Pharmaceuticals
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Draxin belongs to the family of inhibitory axon-guiding factors that regulate neuronal migration and axonal spreading in the developing brain. This glycoprotein has recently been considered to play an important role both in hippocampal differentiation and adult neurogenesis in the dentate gyrus. Given that it has been reported that antipsychotic drugs may affect neurite growth and neurogenesis, we have therefore investigated whether chronic treatment with olanzapine modulates draxin immunoreactivity in the adult rat hippocampus. After analysis of local fluorescence intensity, we found a significant increase of draxin immunoexpression both in the subgranular zone (SGZ) and granular zone of the rat hippocampus following long-term olanzapine administration. This study reveals, for the first time, the modulatory effect of the atypical antipsychotic medication olanzapine on expression of the novel chemorepulsive protein draxin in the context of adult neurogenesis regulation. Moreover, this is the first report dealing with pharmacological aspects of draxin signaling. An elevated draxin expression may indirectly support a recently formulated hypothesis that olanzapine may drive adult neurogenesis via paracrine draxin-related signaling. This action of draxin is a new element in the neurogenesis mechanism that may be part of the action of second-generation antipsychotics in the treatment of schizophrenia, indicating more detailed molecular studies are urgently required to fully investigate these potential novel mechanisms of neurogenesis.

ACS Style

Artur Pałasz; Aleksandra Suszka-Świtek; Jacek Francikowski; Marek Krzystanek; Katarzyna Bogus; Jakub Skałbania; John Worthington; Inga Mrzyk. Olanzapine Increases Neural Chemorepulsant—Draxin Expression in the Adult Rat Hippocampus. Pharmaceuticals 2021, 14, 298 .

AMA Style

Artur Pałasz, Aleksandra Suszka-Świtek, Jacek Francikowski, Marek Krzystanek, Katarzyna Bogus, Jakub Skałbania, John Worthington, Inga Mrzyk. Olanzapine Increases Neural Chemorepulsant—Draxin Expression in the Adult Rat Hippocampus. Pharmaceuticals. 2021; 14 (4):298.

Chicago/Turabian Style

Artur Pałasz; Aleksandra Suszka-Świtek; Jacek Francikowski; Marek Krzystanek; Katarzyna Bogus; Jakub Skałbania; John Worthington; Inga Mrzyk. 2021. "Olanzapine Increases Neural Chemorepulsant—Draxin Expression in the Adult Rat Hippocampus." Pharmaceuticals 14, no. 4: 298.

Rapid communication
Published: 03 June 2020 in Journal of Pest Science
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ACS Style

Michał Krzyżowski; Bartosz Baran; Bartosz Łozowski; Jacek Francikowski. The role of dilution mediums in studies of fumigant insecticidal activity of essential oils. Journal of Pest Science 2020, 93, 1119 -1124.

AMA Style

Michał Krzyżowski, Bartosz Baran, Bartosz Łozowski, Jacek Francikowski. The role of dilution mediums in studies of fumigant insecticidal activity of essential oils. Journal of Pest Science. 2020; 93 (4):1119-1124.

Chicago/Turabian Style

Michał Krzyżowski; Bartosz Baran; Bartosz Łozowski; Jacek Francikowski. 2020. "The role of dilution mediums in studies of fumigant insecticidal activity of essential oils." Journal of Pest Science 93, no. 4: 1119-1124.

Journal article
Published: 03 June 2020 in Insects
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This study explores the influence of rosemary, Rosmarinus officinalis (L.) essential oil (EO) on the biochemical (acetylcholinesterase, catalase, and glutathione S-transferase), physiological (oxygen consumption), and behavioral (open field test, repellency) parameters of an important stored product insect: cowpea weevil, Callosobruchus maculatus (F.). R. officinalis EO exhibited effective insecticidal action against C. maculatus even at relatively low concentrations. LC50 = 15.69 μL/L air, and was highly repellent at concentrations equal to or above LC25. Statistically significant inhibition in locomotor activity occurred only after the acute exposure to the EO at LC12.5 and LC25. The oxygen consumption test showed metabolism increase only at LC50. An increase in activity was observed in the case of all three enzymes examined. The presented data provides a potentially valuable resource in designing more environmentally friendly and safer insecticide agents.

ACS Style

Michał Krzyżowski; Bartosz Baran; Bartosz Łozowski; Jacek Francikowski. The Effect of Rosmarinus officinalis Essential Oil Fumigation on Biochemical, Behavioral, and Physiological Parameters of Callosobruchus maculatus. Insects 2020, 11, 344 .

AMA Style

Michał Krzyżowski, Bartosz Baran, Bartosz Łozowski, Jacek Francikowski. The Effect of Rosmarinus officinalis Essential Oil Fumigation on Biochemical, Behavioral, and Physiological Parameters of Callosobruchus maculatus. Insects. 2020; 11 (6):344.

Chicago/Turabian Style

Michał Krzyżowski; Bartosz Baran; Bartosz Łozowski; Jacek Francikowski. 2020. "The Effect of Rosmarinus officinalis Essential Oil Fumigation on Biochemical, Behavioral, and Physiological Parameters of Callosobruchus maculatus." Insects 11, no. 6: 344.

Journal article
Published: 31 January 2020 in Journal of Stored Products Research
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The cowpea weevil, Callosobruchus maculatus, is one of the most common pests of stored legumes. Its occurrence adversely affects the quality of stored beans, making them unfit for consumption, resulting in substantial financial losses. The aim of this study was to investigate the potential insecticidal properties of the volatile fatty acids (VFAs) (C1 – C5) and their influence on the insect’s physiology and behavior. All VFAs in concentrations equal to 4 μl and 8 μl showed fumigant toxicity significantly higher from the control. The strongest effect was observed in the case of propionic and valeric acid in volume of 4 μl and 8 μl, where mortality was close to 100%. Except for butyric acid, all acids showed a significant repellent effect. Additionally, all VFAs significantly decreased the number of infested beans and influenced the locomotor activity. Of all tested acids only the formic acid did not affect the oxygen consumption of the insects. As the studied VFAs have noteworthy properties against C. maculatus, they could be considered as promising agents in new strategies for stored products pest management.

ACS Style

Michał Krzyżowski; Jacek Francikowski; Bartosz Baran; Agnieszka Babczyńska. The short-chain fatty acids as potential protective agents against Callosobruchus maculatus infestation. Journal of Stored Products Research 2020, 86, 101570 .

AMA Style

Michał Krzyżowski, Jacek Francikowski, Bartosz Baran, Agnieszka Babczyńska. The short-chain fatty acids as potential protective agents against Callosobruchus maculatus infestation. Journal of Stored Products Research. 2020; 86 ():101570.

Chicago/Turabian Style

Michał Krzyżowski; Jacek Francikowski; Bartosz Baran; Agnieszka Babczyńska. 2020. "The short-chain fatty acids as potential protective agents against Callosobruchus maculatus infestation." Journal of Stored Products Research 86, no. : 101570.

Preprint content
Published: 28 December 2019
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There is heavy debate about the mechanisms of spatial navigation by insects. Researchers tend to focus mainly on vision-based models, neglecting non-visual modalities. The capacity to navigate by layout symmetry has been reported in vertebrates. Nevertheless, there has been no direct evidence for such an ability in insects, especially regarding center finding. To provide novel insight into the ongoing debate, we developed a non-visual paradigm for testing navigation by layout geometry. We tested the house crickets to find a cool spot positioned centrally in heated arenas of different shapes. We found that the symmetry of the arena significantly facilitates how crickets learn to find the center of the arena, both in terms of time spent on the cool spot and the latency of locating it. Because there were no visual cues, this observation challenges visiocentric models. As alternatives, we discuss the possibility of non-visual space representation, or non-spatial search strategy.

ACS Style

Bartosz Baran; Michal Krzyzowski; Zoltan Radai; Jacek Francikowski; Mateusz Hohol. Layout symmetry facilitates spatial learning in the house cricket, Acheta domesticus, in the absence of visual cues. 2019, 1 .

AMA Style

Bartosz Baran, Michal Krzyzowski, Zoltan Radai, Jacek Francikowski, Mateusz Hohol. Layout symmetry facilitates spatial learning in the house cricket, Acheta domesticus, in the absence of visual cues. . 2019; ():1.

Chicago/Turabian Style

Bartosz Baran; Michal Krzyzowski; Zoltan Radai; Jacek Francikowski; Mateusz Hohol. 2019. "Layout symmetry facilitates spatial learning in the house cricket, Acheta domesticus, in the absence of visual cues." , no. : 1.

Journal article
Published: 24 May 2019 in Journal of Stored Products Research
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The presented research focuses on the assessment of the changes in the behavioral and physiological parameters of Callosobruchus maculatus (F.) (Coleoptera: Chrysomelidae), treated with amorphous diatomaceous earth (DE) (Perma- Guard™). During the experiments, parameters such as stimulated and spontaneous locomotor activity, oxygen consumption and fecundity were tested. Increasing DE concentration caused significant inhibition in both oxygen consumption and locomotor activity. Moreover, the treated insects had significantly lower fecundity, due to decreased egg laying, lower number of infested beans as well as lowered hatchability. By limiting the progeny number, DE possibly prevents or at least reduces the size of the C. maculatus outbreak. Additionally, scanning electron microscope (SEM) micrographs revealed that DE particles accumulate especially in joints or hairy regions of the insect body close to the sensilla. This, along with data on locomotor activity, indicates a possible presence of additional, previously undescribed, mode of DE action - as an irritant. In conclusion, the presented results contribute to the understanding of the insecticidal activity of DE and provide novel data on the potential application of oxygen consumption as a pesticide efficiency marker.

ACS Style

Michał Krzyżowski; Jacek Francikowski; Bartosz Baran; Agnieszka Babczynska. Physiological and behavioral effects of different concentrations of diatomaceous earth on common stored product pest Callosobruchus maculatus. Journal of Stored Products Research 2019, 82, 110 -115.

AMA Style

Michał Krzyżowski, Jacek Francikowski, Bartosz Baran, Agnieszka Babczynska. Physiological and behavioral effects of different concentrations of diatomaceous earth on common stored product pest Callosobruchus maculatus. Journal of Stored Products Research. 2019; 82 ():110-115.

Chicago/Turabian Style

Michał Krzyżowski; Jacek Francikowski; Bartosz Baran; Agnieszka Babczynska. 2019. "Physiological and behavioral effects of different concentrations of diatomaceous earth on common stored product pest Callosobruchus maculatus." Journal of Stored Products Research 82, no. : 110-115.

Research article
Published: 06 May 2019 in PLOS ONE
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Two eye-colour mutant strains, white (W) and yellow (Y) of house cricket Acheta domesticus were established in our laboratory. We phenotyped and genotyped the mutants, performed genetic crossings and studied the eye structure and pigment composition using light and electron microscopy and biochemical analysis. We show that W and Y phenotypes are controlled by a single autosomal recessive allele, as both traits are metabolically independent. The analysis of the mutants`eye structure showed a reduced number of dark pigment granules while simultaneously, and an increased amount of light vacuoles in white eye mutants was observed. Significant differences in eye pigment composition between strains were also found. The Y mutant had a lower number of ommochromes, while the W mutant had a lower number of ommochromes and pteridines. This indicates that mutated genes are involved in two different, independent metabolic pathways regulating tryptophan metabolism enzymes, pigment transporter granules or pigment granule formation.

ACS Style

Jacek Francikowski; Michał Krzyżowski; Barbara Kochańska; Marta Potrzebska; Bartosz Baran; Łukasz Chajec; Anna Urbisz; Karol Małota; Bartosz Łozowski; Malgorzata Kloc; Jacek Kubiak. Characterisation of white and yellow eye colour mutant strains of house cricket, Acheta domesticus. PLOS ONE 2019, 14, e0216281 .

AMA Style

Jacek Francikowski, Michał Krzyżowski, Barbara Kochańska, Marta Potrzebska, Bartosz Baran, Łukasz Chajec, Anna Urbisz, Karol Małota, Bartosz Łozowski, Malgorzata Kloc, Jacek Kubiak. Characterisation of white and yellow eye colour mutant strains of house cricket, Acheta domesticus. PLOS ONE. 2019; 14 (5):e0216281.

Chicago/Turabian Style

Jacek Francikowski; Michał Krzyżowski; Barbara Kochańska; Marta Potrzebska; Bartosz Baran; Łukasz Chajec; Anna Urbisz; Karol Małota; Bartosz Łozowski; Malgorzata Kloc; Jacek Kubiak. 2019. "Characterisation of white and yellow eye colour mutant strains of house cricket, Acheta domesticus." PLOS ONE 14, no. 5: e0216281.

Brief report
Published: 01 April 2019 in Insects
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The main aim of the presented paper is to assess the potential repellent effect of selected essential oils (EOs) against the lesser mealworm (Alphitobius diaperinus), which can cause economic losses in storage and in the poultry industry. Due to the development of pesticide resistance in A. diaperinus populations, as well as an attempt to limit extensive use of potentially harmful pesticides in food-related industries, there is a strong need for the development of alternative methods of dealing with A. diaperinus infestations. Because of their cost-effectiveness, availability and low vertebrate toxicity, EOs are promising agents in pest management. In the presented paper four off-the-shelf EOs: mint, vanilla, lemon and citronella (and mixtures of them) were tested as potential repellents. Moreover, a novel preference assay, providing an extended analysis of the preference and the locomotor response, was used. The most effective EOs were: citronella and lemon. EOs mixtures were generally more repellent than individual EOs, with the lemon and vanilla 1:1 mixture acting as the strongest repellent. A few of the tested EOs caused significant alterations to the locomotor activity, although no direct relation was observed. In conclusion, EOs can be potentially used as repellent agents in A. diaperinus management. Additionally, data on the locomotor activity may lead to designing better push-pull strategies in pest management.

ACS Style

Jacek Francikowski; Bartosz Baran; Mikołaj Cup; Jakub Janiec; Michał Krzyżowski. Commercially Available Essential Oil Formulas as Repellents Against the Stored-Product Pest Alphitobius diaperinus. Insects 2019, 10, 96 .

AMA Style

Jacek Francikowski, Bartosz Baran, Mikołaj Cup, Jakub Janiec, Michał Krzyżowski. Commercially Available Essential Oil Formulas as Repellents Against the Stored-Product Pest Alphitobius diaperinus. Insects. 2019; 10 (4):96.

Chicago/Turabian Style

Jacek Francikowski; Bartosz Baran; Mikołaj Cup; Jakub Janiec; Michał Krzyżowski. 2019. "Commercially Available Essential Oil Formulas as Repellents Against the Stored-Product Pest Alphitobius diaperinus." Insects 10, no. 4: 96.

Journal article
Published: 12 February 2019 in Homo Ludens
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Gry planszowe poza funkcjami rozrywkowymi mogą pełnić istotne funkcje edukacyjne. Istnieje wiele gier zdolnych nie tylko do kształtowania kompetencji społecznych czy logicznego myślenia, wnioskowania i planowania, ale też do przekazywania wiedzy oraz formowania umiejętności z zakresu nauk przyrodniczych (fizyka, chemia, biologia, geografia). W nauczaniu tych przedmiotów pojawia się wiele kłopotów łączących się ze zrozumieniem treści, często nowych lub abstrakcyjnych, oraz z ich powiązaniem z posiadaną już wiedzą. Istotne jest również przekazywanie informacji na temat działania nauki i zasad nią kierujących. Bogactwo tytułów o różnorodnej mechanice i poziomach trudności pozwala stosować gry jako narzędzia dydaktyczne w klasie oraz, co kluczowe, poza nią.

ACS Style

Jacek Francikowski. Wykorzystanie gier planszowych w nauczaniu przedmiotów przyrodniczych. Homo Ludens 2019, 30 -40.

AMA Style

Jacek Francikowski. Wykorzystanie gier planszowych w nauczaniu przedmiotów przyrodniczych. Homo Ludens. 2019; (1(11)):30-40.

Chicago/Turabian Style

Jacek Francikowski. 2019. "Wykorzystanie gier planszowych w nauczaniu przedmiotów przyrodniczych." Homo Ludens , no. 1(11): 30-40.

Brief report
Published: 16 March 2018 in Insects
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Volatile fatty acids (VFAs) are a group of common metabolites and semiochemicals mediating information transfer between higher organisms and bacteria, either from microbiome or external environment. VFAs commonly occur among various insect orders. There are numerous studies exploring their influence on the behavior of different insect species. In relation to the papers published by J. E. McFarlane in 1985, we assessed the effects of formic, acetic, propionic, butyric and valeric acids on the spatial preference of the lesser mealworm (Alphitobius diaperinus), a common pest of stored food grain products and the poultry industry. The main aim of the presented study was to provide new angles in VFA research, recreating the classical study both with new methods and on economically significant pest species. This paper presents a novel method of continuous, simultaneous assessment of site preference and the travelled distance in a constant-flow olfactometer. All the tested VFAs, except valeric acid, had a significant repellent effect, with formic acid being effective even at the lowest used concentration. Additionally, the VFAs significantly altered the distance travelled by the insects. The obtained results indicate a potential role for VFAs in the olfactory guided behavior of A. diaperinus. It is suspected that the reaction to the presence of VFAs may deviate from the specificity of species’ original habitat.

ACS Style

Bartosz Baran; Michał Krzyżowski; Mikołaj Cup; Jakub Janiec; Mateusz Grabowski; Jacek Francikowski. Repellent Effect of Volatile Fatty Acids on Lesser Mealworm (Alphitobius diaperinus). Insects 2018, 9, 35 .

AMA Style

Bartosz Baran, Michał Krzyżowski, Mikołaj Cup, Jakub Janiec, Mateusz Grabowski, Jacek Francikowski. Repellent Effect of Volatile Fatty Acids on Lesser Mealworm (Alphitobius diaperinus). Insects. 2018; 9 (1):35.

Chicago/Turabian Style

Bartosz Baran; Michał Krzyżowski; Mikołaj Cup; Jakub Janiec; Mateusz Grabowski; Jacek Francikowski. 2018. "Repellent Effect of Volatile Fatty Acids on Lesser Mealworm (Alphitobius diaperinus)." Insects 9, no. 1: 35.

Preprint
Published: 30 January 2018
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Volatile fatty acids (VFAs) are a group of common metabolites with a potential of universal infochemicals dedicated to transferring of information between higher organisms and bacteria either from microbiome or external environment. VFAs are common substances among various insect orders, there are numerous studies exploring their influence on the behavior of different insect species. In relation to papers published by J. E. McFarlane, we assess the effects of formic, acetic, propionic, butyric, valeric acids on spatial preference of common stored food grain products, and poultry industry pest – lesser mealworm (Alphitobius diaperinus). We present novel method of continuous, simultaneous assessment of site preference as well as travelled distance in constant-flow olfactometer. All tested VFAs except valeric had a significant repellent effect with formic acid being effective in the lowest concentration. Additionally, VFAs significantly altered distance travelled by insects. Obtained results indicate a potential role of VFAs in the olfactory guided behavior of A. diaperinus, we speculate that reaction to the presence if VFAs may deviate form specificity of species’ original habitat.

ACS Style

Bartosz Baran; Michał Krzyżowski; Mikołaj Cup; Jakub Janiec; Mateusz Grabowski; Jacek Francikowski. Repellent Effect of Volatile Fatty Acids on Lesser Mealworm (Alphitobius diaperinus). 2018, 1 .

AMA Style

Bartosz Baran, Michał Krzyżowski, Mikołaj Cup, Jakub Janiec, Mateusz Grabowski, Jacek Francikowski. Repellent Effect of Volatile Fatty Acids on Lesser Mealworm (Alphitobius diaperinus). . 2018; ():1.

Chicago/Turabian Style

Bartosz Baran; Michał Krzyżowski; Mikołaj Cup; Jakub Janiec; Mateusz Grabowski; Jacek Francikowski. 2018. "Repellent Effect of Volatile Fatty Acids on Lesser Mealworm (Alphitobius diaperinus)." , no. : 1.

Article
Published: 18 January 2018 in Journal of Insect Behavior
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Paper presents the phenomenon of thanatosis or death-feigning in selected aphids species. This specific reaction was predominantly analysed on the example of aphid subfamily Lachninae. Individuals of this group were used in experiments, during which a thanatotic response was induced with various results. The response differed from prolonged thanatosis, lasting for several minutes (Eulachnus rileyi), through shrinking behaviour (e. g. in Stomaphis graffii) to non-responsive species such as Cinara (Schizolachnus) pineti. The large interspecies variation of observed responses can be linked to other defensive mechanisms existing in the studied species, as well as to their mutualistic relationship with ants. The behaviour of shrinking is hypothesized to be the mutualistic response, developed from thanatosis, and being adapted to transportation by ant workers.

ACS Style

Aleksandra Bilska; Jacek Francikowski; Aleksandra Wyglenda; Adrian Masłowski; Natalia Kaszyca-Taszakowska; Łukasz Depa. Aphids Playing Possum – Defensive or Mutualistic Response? Journal of Insect Behavior 2018, 31, 42 -53.

AMA Style

Aleksandra Bilska, Jacek Francikowski, Aleksandra Wyglenda, Adrian Masłowski, Natalia Kaszyca-Taszakowska, Łukasz Depa. Aphids Playing Possum – Defensive or Mutualistic Response? Journal of Insect Behavior. 2018; 31 (1):42-53.

Chicago/Turabian Style

Aleksandra Bilska; Jacek Francikowski; Aleksandra Wyglenda; Adrian Masłowski; Natalia Kaszyca-Taszakowska; Łukasz Depa. 2018. "Aphids Playing Possum – Defensive or Mutualistic Response?" Journal of Insect Behavior 31, no. 1: 42-53.

Opinion article
Published: 18 August 2017 in Frontiers in Behavioral Neuroscience
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Does Spatial Navigation Have a Blind-Spot? Visiocentrism Is Not Enough to Explain the Navigational Behavior Comprehensively

ACS Style

Mateusz Hohol; Bartosz Baran; Michał Krzyżowski; Jacek Francikowski. Does Spatial Navigation Have a Blind-Spot? Visiocentrism Is Not Enough to Explain the Navigational Behavior Comprehensively. Frontiers in Behavioral Neuroscience 2017, 11, 154 -154.

AMA Style

Mateusz Hohol, Bartosz Baran, Michał Krzyżowski, Jacek Francikowski. Does Spatial Navigation Have a Blind-Spot? Visiocentrism Is Not Enough to Explain the Navigational Behavior Comprehensively. Frontiers in Behavioral Neuroscience. 2017; 11 ():154-154.

Chicago/Turabian Style

Mateusz Hohol; Bartosz Baran; Michał Krzyżowski; Jacek Francikowski. 2017. "Does Spatial Navigation Have a Blind-Spot? Visiocentrism Is Not Enough to Explain the Navigational Behavior Comprehensively." Frontiers in Behavioral Neuroscience 11, no. : 154-154.

Journal article
Published: 01 January 2016 in Open Life Sciences
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In this study, we aimed to evaluate whether exposure to caffeine in the early stages of development affect AdoR mRNA expression levels in the fruit fly (Drosophila melanogaster) and how this will relate to the developmental success of flies. Adenosine receptors are seen as the most important biochemical targets of caffeine. Simultaneously adenosine signaling orchestrates the development and growth of insects. We demonstrate that AdoR mRNA expression in D. melanogaster is persistent from early stages till imago. Strong alterations in AdoR expression were observed in larvae that had been treated with caffeine. However, after the imaginal molt, the differences in AdoR expression between the insects from all of the test groups evened out despite a wide range of developmental success in the groups. Taken together, these results suggest that caffeine affects the expression of its cellular targets even from the early stages of fruit fly development and thus there is a significantly lower larvae-to-adult survival rate. Moreover, we also proved that the expression of AdoR undergoes a peculiar reset during the maturation of D. melanogaster despite the conditions in which larvae developed.

ACS Style

Jacek Francikowski; Bartosz Baran; Anna Płachetka-Bożek; Michał Krzyżowski; Maria Augustyniak. Caffeine effects on AdoR mRNA expression in Drosophila melanogaster. Open Life Sciences 2016, 11, 244 -249.

AMA Style

Jacek Francikowski, Bartosz Baran, Anna Płachetka-Bożek, Michał Krzyżowski, Maria Augustyniak. Caffeine effects on AdoR mRNA expression in Drosophila melanogaster. Open Life Sciences. 2016; 11 (1):244-249.

Chicago/Turabian Style

Jacek Francikowski; Bartosz Baran; Anna Płachetka-Bożek; Michał Krzyżowski; Maria Augustyniak. 2016. "Caffeine effects on AdoR mRNA expression in Drosophila melanogaster." Open Life Sciences 11, no. 1: 244-249.

Journal article
Published: 01 December 2014 in Journal of Asia-Pacific Entomology
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ACS Style

Masumeh Ziaee; Saeid Moharramipour; Jacek Francikowski. The synergistic effects of Carum copticum essential oil on diatomaceous earth against Sitophilus granarius and Tribolium confusum. Journal of Asia-Pacific Entomology 2014, 17, 817 -822.

AMA Style

Masumeh Ziaee, Saeid Moharramipour, Jacek Francikowski. The synergistic effects of Carum copticum essential oil on diatomaceous earth against Sitophilus granarius and Tribolium confusum. Journal of Asia-Pacific Entomology. 2014; 17 (4):817-822.

Chicago/Turabian Style

Masumeh Ziaee; Saeid Moharramipour; Jacek Francikowski. 2014. "The synergistic effects of Carum copticum essential oil on diatomaceous earth against Sitophilus granarius and Tribolium confusum." Journal of Asia-Pacific Entomology 17, no. 4: 817-822.

Journal article
Published: 01 July 2013 in Psychology & Neuroscience
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ACS Style

Marek Kaczmarzyk; Jacek Francikowski; Bartosz Łozowski; Mariusz Rozpędek; Tomasz Sawczyn; Sławomir Sułowicz. The bit value of working memory. Psychology & Neuroscience 2013, 6, 345 -349.

AMA Style

Marek Kaczmarzyk, Jacek Francikowski, Bartosz Łozowski, Mariusz Rozpędek, Tomasz Sawczyn, Sławomir Sułowicz. The bit value of working memory. Psychology & Neuroscience. 2013; 6 (3):345-349.

Chicago/Turabian Style

Marek Kaczmarzyk; Jacek Francikowski; Bartosz Łozowski; Mariusz Rozpędek; Tomasz Sawczyn; Sławomir Sułowicz. 2013. "The bit value of working memory." Psychology & Neuroscience 6, no. 3: 345-349.