真菌-生长白蚁肠道内的物化条件和金属离子分布.pdfVIP

Journal of Insect Physiology 58 (2012) 1368–1375 Contents lists available at SciVerse ScienceDirect Journal of Insect Physiology journal homepage: /locate/jinsphys Physicochemical conditions and metal ion profiles in the gut of the fungus-growing termite Odontotermes formosanus Hongjie Li a, Jianzhong Sun b,⇑, Jianming Zhao c, Tianfu Deng d, Jirong Lu a, Ying Dong a, Wan Deng a, Jianchu Mo a,⇑,1 a Ministry of Agriculture Key Laboratory of Molecular Biology of Crop Pathogens and Insects, Institute of Insect Sciences, Zhejiang University, Hangzhou, Zhejiang, PR China b Biofuels Institute, School of the Environment, Jiangsu University, Zhenjiang 212013, Jiangsu, PR China c Institute of Zhuji Termite Control, Zhuji, Zhejiang 311800, PR China d Department of Plant Protection, Henan Institute of Science and Technology, Xinxiang, Henan 453003, PR China a r t i c l e i n f o a b s t r a c t Article history: The physicochemical conditions in an insect’s gut microenvironment have been reported to play an Received 2 February 2012 important role in food processing and metabolisms. In this study, the profiles of oxygen, pH, redox poten- Received in revised form 20 July 2012 tials, and hydrogen in the isolated guts of the fungus-growing termite, Odontotermes formosanus Shiraki, Accepted 23 July 2012 were investigated with a microeletrode system. Compared with those in other termites, O. formosanus Available online 31 July 2012 exhibited a relatively lower oxygen partial pressures in its gut system ranging from 0 to 8.6 kPa. The