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Olga Radulović
Department of Plant Physiology, National Institute of Republic of Serbia “Siniša Stanković”, University of Belgrade, Bulevar despota Stefana 142, 11060 Belgrade, Serbia

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Journal article
Published: 13 November 2020 in Plants
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The bulb is the main propagation organ of snake’s head fritillary (Fritillaria meleagris L.), a horticulturally attractive and rare geophyte plant species. In this study, we investigated the effect of soaking bulbs in GA3 solution (1, 2, and 3 mg L−1) combined with low-temperature treatment (7 °C) on breaking the dormancy of in vitro bulbs. Sugar status (total soluble sugars, glucose, and fructose content) was analyzed in different parts of the sprouted bulbs. The results showed that the soluble sugar concentration was highest in bulbs soaked in GA3. The main sugar in fritillary bulbs was glucose, while fructose content was much lower. Glucose concentration dramatically increased after bulb chilling (7 °C), and its accumulation was predominantly detected in the lower sprout portion during the first weeks of sprouting. Sugar concentration was significantly lower in nonchilled bulbs, which indicates the importance of low temperature in bulb development and sprouting.

ACS Style

Marija Marković; Milana Trifunović Momčilov; Branka Uzelac; Olga Radulović; Snežana Milošević; Slađana Jevremović; Angelina Subotić. Breaking the Dormancy of Snake’s Head Fritillary (Fritillaria meleagris L.) In Vitro Bulbs—Part 2: Effect of GA3 Soaking and Chilling on Sugar Status in Sprouted Bulbs. Plants 2020, 9, 1573 .

AMA Style

Marija Marković, Milana Trifunović Momčilov, Branka Uzelac, Olga Radulović, Snežana Milošević, Slađana Jevremović, Angelina Subotić. Breaking the Dormancy of Snake’s Head Fritillary (Fritillaria meleagris L.) In Vitro Bulbs—Part 2: Effect of GA3 Soaking and Chilling on Sugar Status in Sprouted Bulbs. Plants. 2020; 9 (11):1573.

Chicago/Turabian Style

Marija Marković; Milana Trifunović Momčilov; Branka Uzelac; Olga Radulović; Snežana Milošević; Slađana Jevremović; Angelina Subotić. 2020. "Breaking the Dormancy of Snake’s Head Fritillary (Fritillaria meleagris L.) In Vitro Bulbs—Part 2: Effect of GA3 Soaking and Chilling on Sugar Status in Sprouted Bulbs." Plants 9, no. 11: 1573.

Journal article
Published: 08 May 2020 in Plants
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The main topic of this study is the bioremediation potential of the common duckweed, Lemna minor L., and selected rhizospheric bacterial strains in removing phenol from aqueous environments at extremely high initial phenol concentrations. To that end, fluorescence microscopy, MIC tests, biofilm formation, the phenol removal test (4-AAP method), the Salkowski essay, and studies of multiplication rates of sterile and inoculated duckweed in MS medium with phenol (200, 500, 750, and 1000 mg L−1) were conducted. Out of seven bacterial strains, six were identified as epiphytes or endophytes that efficiently removed phenol. The phenol removal experiment showed that the bacteria/duckweed system was more efficient during the first 24 h compared to the sterile duckweed control group. At the end of this experiment, almost 90% of the initial phenol concentration was removed by both groups, respectively. The bacteria stimulated the duckweed multiplication even at a high bacterial population density (>105 CFU mL−1) over a prolonged period of time (14 days). All bacterial strains were sensitive to all the applied antibiotics and formed biofilms in vitro. The dual bacteria/duckweed system, especially the one containing strain 43-Hafnia paralvei C32-106/3, Accession No. MF526939, had a number of characteristics that are advantageous in bioremediation, such as high phenol removal efficiency, biofilm formation, safety (antibiotic sensitivity), and stimulation of duckweed multiplication.

ACS Style

Olga Radulović; Slaviša Stanković; Branka Uzelac; Vojin Tadić; Milana Trifunović-Momčilov; Jelena Lozo; Marija Marković. Phenol Removal Capacity of the Common Duckweed (Lemna minor L.) and Six Phenol-Resistant Bacterial Strains From Its Rhizosphere: In Vitro Evaluation at High Phenol Concentrations. Plants 2020, 9, 599 .

AMA Style

Olga Radulović, Slaviša Stanković, Branka Uzelac, Vojin Tadić, Milana Trifunović-Momčilov, Jelena Lozo, Marija Marković. Phenol Removal Capacity of the Common Duckweed (Lemna minor L.) and Six Phenol-Resistant Bacterial Strains From Its Rhizosphere: In Vitro Evaluation at High Phenol Concentrations. Plants. 2020; 9 (5):599.

Chicago/Turabian Style

Olga Radulović; Slaviša Stanković; Branka Uzelac; Vojin Tadić; Milana Trifunović-Momčilov; Jelena Lozo; Marija Marković. 2020. "Phenol Removal Capacity of the Common Duckweed (Lemna minor L.) and Six Phenol-Resistant Bacterial Strains From Its Rhizosphere: In Vitro Evaluation at High Phenol Concentrations." Plants 9, no. 5: 599.