Did Convergent Protein Evolution Enable Phytoplasmas to Generate 'Zombie Plants'?
Did Convergent Protein Evolution Enable Phytoplasmas to Generate 'Zombie Plants'?
复制标题
趋同蛋白进化是否使植原体能够产生“僵尸植物”?
DOI:
10.1016/j.tplants.2015.08.004
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发表时间:
2015
影响因子:
20.5
通讯作者:
Melzer
中科院分区:
文献类型:
--
作者:
Rümpler;Gramzow;Theißen;Melzer
Phytoplasmas are pathogenic bacteria that reprogram plant development such that leaf-like structures instead of floral organs develop. Infected plants are sterile and mainly serve to propagate phytoplasmas and thus have been termed ‘zombie plants'. The developmental reprogramming relies on specific interactions of the phytoplasma protein SAP54 with a small subset of MADS-domain transcription factors. Here, we propose that SAP54 folds into a structure that is similar to that of the K-domain, a protein–protein interaction domain of MADS-domain proteins. We suggest that undergoing convergent structural and sequence evolution, SAP54 evolved to mimic the K-domain. Given the high specificity of resulting developmental alterations, phytoplasmas might be used to study flower development in genetically intractable plants.
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影响因子:
4.2
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Melzer, Rainer;Haerter, Andrea;Theissen, Guenter
通讯作者:
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14.9
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