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The stadium effect:rodent damage patterns in rice fields explored using giving-up densities

Integrative Zoology 2017年第6期12卷 438-445页

作者： Clare R.JONES Renee P.LORICA James M.VILLEgAS Angelee F.RAMAL finbarr g.horgan grant R.SINgLETON Alexander M.STUART Crop and Environmental Sciences Division International Rice Research InstituteMetro ManilaPhilippines Natural Resources Institute University of GreenwichChatham MaritimeKentUK Centre for Compassionate Conservation University of Technology SydneyNew South WalesAustralia

Rodents are globally important pre-harvest pests of *** Southeast Asia,rodent damage to growing rice crops is commonly concentrated towards the center of rice fields,away from the field edge,resulting in a clear pattern known as the“stadium effect.”To further understand this behavior of rodent pests and to develop recommendations for future research and management,we examined the relation between giving-up densities(gUDs)and damage *** Tanay,Luzon,Philippines,gUD trays containing pieces of coconut in a matrix of sand were placed at 4 different distances from the field edge to quantify the perceived risk of predation in a rice field pest,Rattus *** were recorded during a dry and wet season crop at the reproductive and ripening stages of *** addition,assessments of active burrows,tracking tile activity and rodent damage to the rice crop,were conducted in the dry *** were significantly lower in the center of the rice fields than on the field edges,suggesting that rodent damage to rice is greater in the middle of rice fields due to a lower perceived predation ***,this perception of predation risk(or fear)increases towards the field edge and was greatest on the rice bund,where there was no vegetation *** discuss the implications for rodent management and rodent damage assessments in rice *** is the first documented use of gUDs in a rice agro-ecosystem in Asia;thus we identify the challenges and lessons learned through this process.

关键词： habitat use landscape of fear pest management Rattus tanezumi rodent behavior

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Parallel mRNA, proteomics and miRNA expression analysis in cell line models of the intestine

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World Journal of gastroenterology 2017年第41期23卷 7369-7386页

作者： finbarr O’Sullivan Joanne Keenan Sinead Aherne Fiona O’Neill Colin Clarke Michael Henry Paula Meleady Laura Breen Niall Barron Martin Clynes Karina horgan Padraig Doolan Richard Murphy National Institute for Cellular Biotechnology Dublin City University National Institute for Bioprocessing Research & Training Alltech Dunboyne

AIM To identify mi RNA-regulated proteins differentially expressed between Caco2 and HT-29: two principal cell line models of the *** Exponentially growing Caco-2 and HT-29 cells were harvested and prepared for m RNA, mi RNA and proteomic profiling. m RNA microarray profiling analysis was carried out using the Affymetrix gene Chip Human gene 1.0 ST array. mi RNA microarray profiling analysis was carried out using the Affymetrix genechip mi RNA 3.0 array. Quantitative Label-free LC-MS/MS proteomic analysis was performed using a Dionex Ultimate 3000 RSLCnano system coupled to a hybrid linear iontrap/Orbitrap mass spectrometer. Peptide identities were validated in Proteome Discoverer 2.1 and were subsequently imported into Progenesis QI software for further analysis. Hierarchical cluster analysis for all three parallel datasets(mi RNA, proteomics, m RNA) was conducted in the R software environment using the Euclidean distance measure and Ward's clustering algorithm. The prediction of mi RNA and oppositely correlated protein/m RNA interactions was performed using Target Scan 6.1. gO biological process, molecular function and cellular component enrichment analysis was carried out for the DE mi RNA, protein and m RNA lists via the Pathway Studio 11.3 Web interface using their Mammalian *** Differential expression(DE) profiling comparing the intestinal cell lines HT-29 and Caco-2 identified 1795 genes, 168 Proteins and 160 mi RNAs as DE between the two cell lines. At the gene level, 1084 genes were upregulated and 711 were downregulated in the Caco-2 cell line relative to the HT-29 cell line. At the protein level, 57 proteins were found to be upregulated and 111 downregulated in the Caco-2 cell line relative to the HT-29 cell line. Finally, at the mi RNAs level, 104 were upregulated and 56 downregulated in the Caco-2 cell line relative to the HT-29 cell line. gene ontology(gO) analysis of the DE m RNA identified cell adhesion, migration and ECM o

关键词： Caco-2 HT-29 Microarray Proteomics miRNA Targetscan gene ontology

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