采用Biolog和16S r DNA克隆文库分析方法研究了3种处理的大豆植株的根际土壤细菌群落,包括健康大豆植株（healthy）、被大豆胞囊线虫（Heterodera glycines）侵染的大豆植株（SCN）和被大豆胞囊线虫侵染的,但用淡紫拟青霉（Purpureocill...采用Biolog和16S r DNA克隆文库分析方法研究了3种处理的大豆植株的根际土壤细菌群落,包括健康大豆植株（healthy）、被大豆胞囊线虫（Heterodera glycines）侵染的大豆植株（SCN）和被大豆胞囊线虫侵染的,但用淡紫拟青霉（Purpureocillium lilacinus）YES-2菌株处理（SCN＋淡紫拟青霉）的大豆植株。Biolog数据分析结果显示,3个处理之间根际细菌群落的底物利用方式差异显著，并且健康大豆植株的底物丰富度和代谢多样性最低。展开更多
Dear Editor,Microbial symbionts are crucial participants in the life history of fungus-farming insects (Mueller et al., 2005;Youngsteadt, 2008). The attelabid weevil (Euops chinensis)feeding on Fallopia japonica in so...Dear Editor,Microbial symbionts are crucial participants in the life history of fungus-farming insects (Mueller et al., 2005;Youngsteadt, 2008). The attelabid weevil (Euops chinensis)feeding on Fallopia japonica in southern China, has evolved a special proto-farming bipartite symbiosis with the fungus(Penicillium herquei), which produces antibiotic (+)-scleroderolide in the leaf-rolls ("cradle" for offspring development) to protect the offspring from potential microbial parasites and pathogens (Sakurai, 1985;Wang et al., 2015).展开更多
Predacious fungi form specialized hyphae structures to trap nematodes and other microscopic animals.Among the six kinds of trapping devices,the constricting ring is the only one that actively captures nematodes.When a...Predacious fungi form specialized hyphae structures to trap nematodes and other microscopic animals.Among the six kinds of trapping devices,the constricting ring is the only one that actively captures nematodes.When a nematode enters the aperture of the ring,which is formed by three cells,the cells rapidly triple their vol-ume,close the aperture and hold the nematode in place.Hyphae then penetrate and consume the nematode.This paper reviews the data and hypotheses on con-serving the evolution of constricting rings and their cytological and molecular mechanisms.展开更多
文摘采用Biolog和16S r DNA克隆文库分析方法研究了3种处理的大豆植株的根际土壤细菌群落,包括健康大豆植株（healthy）、被大豆胞囊线虫（Heterodera glycines）侵染的大豆植株（SCN）和被大豆胞囊线虫侵染的,但用淡紫拟青霉（Purpureocillium lilacinus）YES-2菌株处理（SCN＋淡紫拟青霉）的大豆植株。Biolog数据分析结果显示,3个处理之间根际细菌群落的底物利用方式差异显著，并且健康大豆植株的底物丰富度和代谢多样性最低。
基金the financial support from the National Natural Science Foundation of China (31270070)
文摘Dear Editor,Microbial symbionts are crucial participants in the life history of fungus-farming insects (Mueller et al., 2005;Youngsteadt, 2008). The attelabid weevil (Euops chinensis)feeding on Fallopia japonica in southern China, has evolved a special proto-farming bipartite symbiosis with the fungus(Penicillium herquei), which produces antibiotic (+)-scleroderolide in the leaf-rolls ("cradle" for offspring development) to protect the offspring from potential microbial parasites and pathogens (Sakurai, 1985;Wang et al., 2015).
文摘Predacious fungi form specialized hyphae structures to trap nematodes and other microscopic animals.Among the six kinds of trapping devices,the constricting ring is the only one that actively captures nematodes.When a nematode enters the aperture of the ring,which is formed by three cells,the cells rapidly triple their vol-ume,close the aperture and hold the nematode in place.Hyphae then penetrate and consume the nematode.This paper reviews the data and hypotheses on con-serving the evolution of constricting rings and their cytological and molecular mechanisms.
