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Titolo:
Isolation and sequencing of Rhizobium leguminosarum bv. Trifolii PssN, PssO and PssP genes encoding the proteins involved in polymerization and translocation of exopolysaccharide
Autore:
Mazur, A; Krol, JE; Skorupska, A;
Indirizzi:
Marie Curie Sklodowska Univ, Dept Gen Microbiol, PL-20033 Lublin, Poland Marie Curie Sklodowska Univ Lublin Poland PL-20033 -20033 Lublin, Poland
Titolo Testata:
DNA SEQUENCE
fascicolo: 1, volume: 12, anno: 2001,
pagine: 1 - 12
SICI:
1042-5179(2001)12:1<1:IASORL>2.0.ZU;2-H
Fonte:
ISI
Lingua:
ENG
Soggetto:
MOLECULAR-WEIGHT SUCCINOGLYCAN; CAPSULAR POLYSACCHARIDE; IDENTIFICATION; BINDING; NODULATION; MELILOTI; CLONING; PSI; ATP; DATABASE;
Keywords:
exopolysaccharide; pssNOP genes; Rhizobium leguminosarum bv trifolii;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Life Sciences
Citazioni:
39
Recensione:
Indirizzi per estratti:
Indirizzo: Skorupska, A Marie Curie Sklodowska Univ, Dept Gen Microbiol, Akad 19, PL-20033 Lublin,Poland Marie Curie Sklodowska Univ Akad 19 Lublin Poland PL-20033 d
Citazione:
A. Mazur et al., "Isolation and sequencing of Rhizobium leguminosarum bv. Trifolii PssN, PssO and PssP genes encoding the proteins involved in polymerization and translocation of exopolysaccharide", DNA SEQ, 12(1), 2001, pp. 1-12

Abstract

Rhizobium leguminosarum bv. trifolii produces an acidic exopolysaccharide (EPS) that plays an important role in symbiotic interaction with clover plants. The sequence of 6.0-kb DNA fragment located upstream of the previouslydescribed prsDEorf3 and pssCDE genes involved in exopolysaccharide biosynthesis revealed three new genes designated pssN, pssO and pssP. The predicted protein product of pssP gene shares a significant homology to members of the membrane-periplasmic auxiliary (MPA1) family, that are involved in polymerization of the repeating subunits of EPS. The putative pssN protein product is highly homologous to the family of the outer membrane auxiliary (OMA) proteins engaged in translocation of polysaccharides in bacteria. The PssO did not reveal homology to the known bacterial proteins, but showed characteristic features of outer membrane proteins, and with PssN and PssP, it might be a part of the system involved in polymerization and translocation of EPS across the bacterial membranes.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 05/12/20 alle ore 14:08:49