%0 Journal Article %T 尖孢镰刀菌甜瓜专化型基因组规模分泌蛋白的预测与分析<br>Genome-scale prediction and analysis of secreted proteins of Fusarium oxysporum f. sp. melonis %A 聂燕芳 %A 周 %A 淦 %A 黄嘉瑶 %A 王振中 %A 李云锋 %J 华中农业大学学报 %D 2016 %X 利用SignalP、WoLF PSORT、TMHMM、big-PI Predictor、TargetP和SecretomeP等软件,对尖孢镰刀菌甜瓜专化型(Fusarium oxysporum f. sp. melonis,FOM)全基因组26 811条蛋白质氨基酸序列进行了分泌蛋白的预测分析。结果表明,FOM全基因组编码蛋白中有1 145个经典分泌蛋白,占编码蛋白总数的4.3%;有8 471个非经典分泌蛋白,占编码蛋白总数的31.6%。对经典分泌蛋白特征进行分析,发现其氨基酸长度集中在100~600个氨基酸,信号肽长度集中在17~22个氨基酸。对经典分泌蛋白的功能预测分析表明,有605个分泌蛋白获得了注释,主要涉及糖代谢、转运过程、过氧化氢代谢和生物合成等。对碳水化合物酶类(CAZymes)进行分析,结果表明有277个分泌蛋白为CAZymes,占经典分泌蛋白总数的24.2%。<br>Genome-scale prediction of FOM(Fusarium oxysporum f.sp.melonis) secretome was firstly performed by combining different bioinformatic softwares,including SignalP,TMHMM,WOLFPRT,TargetP,big-PI Fungal Predictor,and SecretomeP in this study.Of the 26 811 FOM protein sequences,1 145 sequences (4.3%) were predicted to be classically secreted proteins and 8 471 sequences (31.6%) might be secreted in a non-classical manner.The 1 145 secreted proteins were characterized with 100 to 600 amino acids,and the length of the signal peptides was concentrated between 17 to 22 amino acids.Of the 1 145 classically secreted proteins,a total of 605 proteins were functionally annotated to be involved in carbohydrate metabolic process,transport process,hydrogen peroxide catabolic process and biosynthetic process.Among the 1 145 classically secreted proteins,277 proteins (24.2%) were predicted to be CAZymes. %K 尖孢镰刀菌甜瓜专化型 %K 分泌蛋白 %K 信号肽 %K 碳水化合物酶类 蛋白功能预测< %K br> %K Fusarium oxysporum f.sp.melonis secreted protein signal peptide carbohydrate-active enzyme protein function prediction %U http://hnxbl.cnjournals.net/hznydxzr/ch/reader/view_abstract.aspx?file_no=20160305&flag=1