Characterization of Pectobacterium carotovorum subsp. carotovorum Bacteriophage PP16 Prospective for Biocontrol of Potato Soft Rot


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Abstract

Phages of the phytopathogenic Pectobacteriaceae species causing black leg and soft rot of potato were investigated. These phages are promising as biocontrol agents to prevent the loss of seed and ware potato tubers. The present work characterizes a new podovirus PP16, infecting a broad range of Pectobacterium carotovorum strains. Based on its genomic composition, phage PP16 was assigned to a separate phylogenetic branch of the genus Phimunavirus, subfamily Autographivirinae. Bacteriophage PP16 efficiently inhibited development of bacterial infection both in vitro and in planta. The field experiment demonstrated a substantial increase of plant germination after the treatment of seed potato with phage PP16.

About the authors

M. V. Voronina

PhytoEngineering Research Center

Email: kmi@ibch.ru
Russian Federation, Rogachevo, Moscow region, 141880

E. N. Bugaeva

PhytoEngineering Research Center

Email: kmi@ibch.ru
Russian Federation, Rogachevo, Moscow region, 141880

D. M. Vasiliev

PhytoEngineering Research Center

Email: kmi@ibch.ru
Russian Federation, Rogachevo, Moscow region, 141880

A. P. Kabanova

PhytoEngineering Research Center; Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, Russian Academy of Sciences

Email: kmi@ibch.ru
Russian Federation, Rogachevo, Moscow region, 141880; Moscow, 117997

A. P. Barannik

Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, Russian Academy of Sciences

Email: kmi@ibch.ru
Russian Federation, Moscow, 117997

M. M. Shneider

Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, Russian Academy of Sciences

Email: kmi@ibch.ru
Russian Federation, Moscow, 117997

E. E. Kulikov

Winogradsky Institute of Microbiology, Research Center of Biotechnology, Russian Academy of Sciences

Email: kmi@ibch.ru
Russian Federation, Moscow, 119071

A. A. Korzhenkov

Kant Baltic Federal University; Kurchatov Institute

Email: kmi@ibch.ru
Russian Federation, Kaliningrad,, 236041; Moscow, 123098

S. V. Toschakov

Winogradsky Institute of Microbiology, Research Center of Biotechnology, Russian Academy of Sciences; Kant Baltic Federal University

Email: kmi@ibch.ru
Russian Federation, Moscow, 119071; Kaliningrad,, 236041

A. N. Ignatov

PhytoEngineering Research Center

Email: kmi@ibch.ru
Russian Federation, Rogachevo, Moscow region, 141880

K. A. Miroshnikov

PhytoEngineering Research Center; Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, Russian Academy of Sciences

Author for correspondence.
Email: kmi@ibch.ru
Russian Federation, Rogachevo, Moscow region, 141880; Moscow, 117997

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