Sadunishvili graduated from Tbilisi State University in 1975 with a diploma in biology/biochemistry at the Institute of Plant Biochemistry, Georgian Academy of Sciences. She obtained her degree of Candidate of Science (1980) and Doctor of Science (1995) in biology with studies on the structure, kinetics and regulation of nitrogen metabolism enzymes. Since then, working as Head of Laboratory at Durmishidze Institute of Biochemistry and Biotechnology (DIBB), her research topics have expanded by studying structure-function changes in plant cells under contamination stress, microbial diversity, development of bio and phytoremediation technologies based on selected plants and microbial consortia, phytopathogenic bacteria and their specific bacteriophages. In 2013, she was appointed as Full Professor and Head of Department of Plant Biochemistry and Biotechnology, Agricultural University of Georgia. In 2009, Sadunishvili was selected as Corresponding Member, and in 2015 Full Member of the Georgian National Academy of Sciences. She is an author of five monographs, and above 150 scientific publications, including reviews and book chapters.