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Pectobacterium atrosepticum exopolysaccharides: identification, molecular structure, formation under stress and in planta conditions
Glycobiology ( IF 4.3 ) Pub Date : 2017-09-01 , DOI: 10.1093/glycob/cwx069
Vladimir Gorshkov 1, 2 , Bakhtiyar Islamov 1, 2 , Polina Mikshina 1 , Olga Petrova 1 , Gennady Burygin 3 , Elena Sigida 3 , Alexander Shashkov 4 , Amina Daminova 1 , Marina Ageeva 1 , Bulat Idiyatullin 1 , Vadim Salnikov 1, 2 , Yuriy Zuev 1, 2 , Tatyana Gorshkova 1 , Yuri Gogolev 1, 2
Affiliation  

In the present study, we identified exopolysaccharides of the harmful phytopathogenic bacterium Pectobacterium atrosepticum SCRI1043 and characterized the molecular structure of these polymers. The synthesis of the target polysaccharides was shown to be induced under starvation conditions. Moreover, intensive accumulation of exopolysaccharides occurred during the colonization by bacteria of the xylem vessels of infected plants, where microorganisms formed specific 3D “multicellular” structures—bacterial emboli. Thus, the identified polymers are likely to be involved in the adaptation and virulence of bacteria of Pectobacterium genus.

中文翻译:

腐果杆菌外多糖:鉴定,分子结构,在压力和植物条件下的形成

在本研究中,我们鉴定了有害植物致病细菌阿斯特罗氏SCRI1043的胞外多糖,并表征了这些聚合物的分子结构。已显示在饥饿条件下诱导了目标多糖的合成。此外,在被感染植物的木质部血管被细菌定殖的过程中,胞外多糖大量积累,其中微生物形成了特定的3D“多细胞”结构-细菌栓子。因此,鉴定出的聚合物很可能参与了芽孢杆菌属细菌的适应和毒力。
更新日期:2017-10-27
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