陆地棉扩展蛋白基因的鉴定与特征分析

张奇艳,雷忠萍,宋银,海江波,贺道华

Identification and Characterization of the Expansin Gene Family in Upland Cotton (Gossypium hirsutum)

QiYan ZHANG,ZhongPing LEI,Yin SONG,JiangBo HAI,DaoHua HE

表3 不同植物扩展蛋白及其各亚家族内基因数目

Table 3 Number of Expansin family members identified in various organisms

物种Species EXPA EXPB EXLA EXLB 总计Total 参考文献Reference 陆地棉G. hirsutum 46 8 6 12 72 本研究This study 亚洲棉G. arboreum 26 4 3 6 39 本研究This study 雷蒙德氏棉G. raimondii 26 4 3 6 39 [46] 黄瓜Cucumis sativus 21 3 9 2 35 [48] 拟南芥Arabidopsis thaliana 26 6 3 1 36 [6] 水稻Oryza sativa 34 19 4 1 58 [6] 玉米Zea mays 36 48 4 0 88 [7] 大白菜B. rapa (Pekinensis) 39 9 2 3 53 [50] 杨树Populus trichocarpa 27 3 2 4 36 [51] 葡萄Vitis vinifera 20 4 1 4 29 [10] 大豆Glycine max 49 9 2 5 75 [8] 苹果Malus×Domestica (Borkh) 34 1 2 4 41 [52] 菜豆Phaseolus vulgaris 25 6 0 5 36 [53] 苜蓿Medicago truncatula 16 1 0 1 18 [53] 小粒碗藓Physcomitrella patens 27 7 0 0 34 [54] 共同祖先Last common ancestor 10—12 2 1 2 15—17 [6]