Dr. Mariana Krasimirova Petkova is a Doctor of Molecular Biology in the Department of Microbiology and Ecological Biotechnologies at the Agricultural University of Plovdiv, She has published more than 50 papers in various journals, with more than 230 citations. Her research topics mainly include environment, safety, sustainability, DNA cloning, gene expression, protein purification, metagenomic analyses of soil, compost, plant endophytes, and biological control of pests and phytopathogens.