Biopolym. Cell. 2005; 21(4):312-318.
Клеточная биология
Paenibacillus sp. — перспективная бактерия для создания технологии производства бакпрепаратов для растений
1Козыровская Н. А., 1Негруцкая В. В., 1Ковальчук М. В., 1Вознюк Т. Н.
  1. Институт молекулярной биологии и генетики НАН Украины
    ул. Академика Заболотного, 150, Киев, Украина, 03680

Abstract

Штамм бактерии IMBG156, продуцирующий экзополисахарид (ЭПС), выделен из силикатной породы. Он идентифицирован как Paenibacillus sp. на основе определения первичной нуклеотидной последовательности 16S рДНК. Paenibacillus sp. IMBG156 использован в технологии производства микробиоло­гических препаратов, основанной на совместном культивиро­вании этой и выбранной бактерий. Paenibacillus sp. снабжает in situ клетки бактерий носителем (ЭПС) и является, наибо­лее вероятно, источником углерода и энергии. Бактерия-пар­тнер определяет тип препарата (биоудобрение, биопестицид). Штам IMBG156 не повреждает сигнальной системы граммотрицательных бактерий-партнеров, которая основывается на аицлированных гомосеринлактонах, стимулирует рост растений и является достаточно конкурентоспособной в ри­зосфере. В демонстрационном препарате, созданном на базе бактерий-партнеров Paenibacillus sp. IMBG156—Pseudomonas sp. IMBG163, дольше сохраняется необходимый титр бакте­рий, чем в монокультуре Pseudomonas sp. IMBG163.
Keywords: экзополисахариды, бакпрепарат, бактерии- партнеры

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