Bacteria can mobilize nematode-trapping fungi to kill nematodes
Wang, Xin1; Li, Guo-Hong1; Zou, Cheng-Gang1; Ji, Xing-Lai1; Liu, Tong1; Zhao, Pei-Ji2; Liang, Lian-Ming1; Xu, Jian-Ping1,3; An, Zhi-Qiang4; Zheng, Xi1; Qin, Yue-Ke1; Tian, Meng-Qing1; Xu, You-Yao1; Ma, Yi-Cheng1; Yu, Ze-Fen1; Huang, Xiao-Wei1; Liu, Shu-Qun1; Niu, Xue-Mei1; Yang, Jin-Kui1; Huang, Ying1; Zhang, Ke-Qin1
2014-12-01
发表期刊NATURE COMMUNICATIONS
卷号5
摘要In their natural habitat, bacteria are consumed by bacterivorous nematodes; however, they are not simply passive preys. Here we report a defensive mechanism used by certain bacteria to mobilize nematode-trapping fungi to kill nematodes. These bacteria release urea, which triggers a lifestyle switch in the fungus Arthrobotrys oligospora from saprophytic to nematodepredatory form; this predacious form is characterized by formation of specialized cellular structures or 'traps'. The bacteria significantly promote the elimination of nematodes by A. oligospora. Disruption of genes involved in urea transport and metabolism in A. oligospora abolishes the urea-induced trap formation. Furthermore, the urea metabolite ammonia functions as a signal molecule in the fungus to initiate the lifestyle switch to form trap structures. Our findings highlight the importance of multiple predator-prey interactions in prey defense mechanisms.
DOI10.1038/ncomms6776
收录类别SCI
语种英语
WOS研究方向Science & Technology - Other Topics
WOS类目Multidisciplinary Sciences
WOS记录号WOS:000347613000006
引用统计
文献类型期刊论文
条目标识符http://ir.kib.ac.cn/handle/151853/20408
专题植物化学与西部植物资源持续利用国家重点实验室
作者单位1.Yunnan Univ, Lab Conservat & Utilizat Bioresources, Kunming 650091, Yunnan, Peoples R China
2.Chinese Acad Sci, Kunming Inst Bot, State Key Lab Phytochem & Plant Resources West Ch, Kunming 650201, Yunnan, Peoples R China
3.McMaster Univ, Dept Biol, Hamilton, ON L8S 4K1, Canada
4.Univ Texas Hlth Sci Ctr Houston, Brown Fdn Inst Mol Med, Texas Therapeut Inst, Houston, TX 77030 USA
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GB/T 7714
Wang, Xin,Li, Guo-Hong,Zou, Cheng-Gang,et al. Bacteria can mobilize nematode-trapping fungi to kill nematodes[J]. NATURE COMMUNICATIONS,2014,5.
APA Wang, Xin.,Li, Guo-Hong.,Zou, Cheng-Gang.,Ji, Xing-Lai.,Liu, Tong.,...&Zhang, Ke-Qin.(2014).Bacteria can mobilize nematode-trapping fungi to kill nematodes.NATURE COMMUNICATIONS,5.
MLA Wang, Xin,et al."Bacteria can mobilize nematode-trapping fungi to kill nematodes".NATURE COMMUNICATIONS 5(2014).
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