ГАЛОТОЛЕРАНТНЫЕ ФОСФАТСОЛЮБИЛИЗИРУЮЩИЕ ИУК-СИНТЕЗИРУЮЩИЕ ПРЕДСТАВИТЕЛИ РОДА PANTOEA СТИМУЛИРУЮТ СИНТЕЗ ПРОЛИНА В ПРОРОСТКАХ ПШЕНИЦЫ В УСЛОВИЯХ СОЛЕВОГО СТРЕССА
Аннотация
Два галотолерантных бактериальных штамма рода Pantoea были изолированы с растений, произрастающих на территории солеотвалов Соликамского месторождения калийных солей (Пермский край, Россия). Микроорганизмы были способны к фосфатсолюбилизации и синтезу индолил-3-уксусной кислоты (ИУК). Максимум накопления ИУК происходил, когда культура выходила на стационарную фазу роста. В эксперименте по влиянию штаммов на накопление пролина в сырой массе проростков пшеницы при солевом стрессе на третий день, были достигнуты наибольшие значения, превышавшие контрольные в 3 и 2.4 раза. При этом существенное увеличение содержания общего белка в вариантах с солью наблюдалось на 7 сутки эксперимента, составив 113% и 138% для A1 и A15 по сравнению с контролем.
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