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Optimization for isolation and culture conditions of endophytic bacteria in Rrasses In alpine area
Author(s): MAN Bai-ying, CHEN Xiu-rong, LI Zhen-dong
Pages: 27-
30
Year: 2008
Issue:
5
Journal: GRASSLAND AND TURF
Keyword: 高寒牧草; 内生细菌; 分离条件; 优化;
Abstract: 通过对高寒牧草内生细茵的分离培养方法研究,得出了优化的分离培养条件,即牧草不同组织器官用0.1%SDS浸泡15 min、3%NaCoO浸泡3 min、0.1%升汞浸泡10 min、75%酒精1~2 min处理后(各步间均用无菌水冲洗3~4次),研磨并稀释至10-3,涂布于TSA培养基上,置28℃恒温条件下培养5-7 d,可从高寒牧草组织中分离获得数量、种类较多的内生细菌.用此方法,已从5种牧草不同组织器官(根、茎、叶、花)中分离获得大小、形态、颜色各异的内生细菌315株.
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