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Domestication Syndrome Is Investigated by Proteomic Analysis between Cultivated Cassava (Manihot esculenta Crantz) and Its Wild Relatives

文献类型： 外文期刊

作者： An, Feifei 1 ; Chen, Ting 1 ; Stephanie, Djabou Mouafi Astride 1 ; Li, Kaimian 1 ; Li, Qing X. 3 ; Carvalho, Luiz J 1 ;

作者机构： 1.Chinese Acad Trop Agr Sci, Key Lab Minist Agr Germplasm Resources Conservat, Trop Crops Genet Resources Inst, Danzhou 571737, Peoples R China

2.Univ Yaounde I, Higher Teachers Training Coll, Lab Plant Physiol, POB 47, Yaounde, Cameroon

3.Univ Hawaii, Dept Mol Biosci & Bioengn, Manoa, HI 96822 USA

4.EMBRAPA, Genet Resources & Biotechnol, BR-02372 Brasilia, DF, Brazil

5.Univ Greenwich, Nat Resources Inst, Chatham ME4 4TB, Kent, England

6.Jiangsu Univ, Ana

期刊名称：PLOS ONE （ 影响因子：3.24； 五年影响因子：3.788 ）

ISSN： 1932-6203

年卷期： 2016 年 11 卷 3 期

页码：

收录情况： SCI

摘要： Cassava (Manihot esculenta Crantz) wild relatives remain a largely untapped potential for genetic improvement. However, the domestication syndrome phenomena from wild species to cultivated cassava remain poorly understood. The analysis of leaf anatomy and photosynthetic activity showed significantly different between cassava cultivars SC205, SC8 and wild relative M. esculenta ssp. Flabellifolia (W14). The dry matter, starch and amylose contents in the storage roots of cassava cultivars were significantly more than that in wild species. In order to further reveal the differences in photosynthesis and starch accumulation of cultivars and wild species, the globally differential proteins between cassava SC205, SC8 and W14 were analyzed using 2-DE in combination with MALDI-TOF tandem mass spectrometry. A total of 175 and 304 proteins in leaves and storage roots were identified, respectively. Of these, 122 and 127 common proteins in leaves and storage roots were detected in SC205, SC8 and W14, respectively. There were 11, 2 and 2 unique proteins in leaves, as well as 58, 9 and 12 unique proteins in storage roots for W14, SC205 and SC8, respectively, indicating proteomic changes in leaves and storage roots between cultivated cassava and its wild relatives. These proteins and their differential regulation across plants of contrasting leaf morphology, leaf anatomy pattern and photosynthetic related parameters and starch content could contribute to the footprinting of cassava domestication syndrome. We conclude that these global protein data would be of great value to detect the key gene groups related to cassava selection in the domestication syndrome phenomena.

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