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Data/hora: 12/06/2024 14:45:12

Distribution and biological role of the oligopeptide-binding protein (OppA) in Xanthomonas species
Provedor de dados: 74
Autores: Oshiro,Elisa E.; Tavares,Milene B.; Suzuki,Celso F.; Pimenta,Daniel C.; Angeli,Claudia B.; Oliveira,Julio C.F. de; Ferro,Maria I.T.; Ferreira,Luis C.S.; Ferreira,Rita C.C.
In this study we investigated the prevalence of the oppA gene, encoding the oligopeptide binding protein (OppA) of the major bacterial oligopeptide uptake system (Opp), in different species of the genus Xanthomonas. The oppA gene was detected in two Xanthomonas axonopodis strains among eight tested Xanthomonas species. The generation of an isogenic oppA-knockout derivative of the Xac 306 strain, showed that the OppA protein neither plays a relevant role in oligopeptide uptake nor contributes to the infectivity and multiplication of the bacterial strain in leaves of sweet orange (Citrus sinensis) and Rangpur lime (Citrus limonia). Taken together these results suggest that the oppA gene has a recent evolutionary history in the genus and does not contribute...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Xanthomonas; Xac; OppA; Oligopeptide uptake system; ABC transporter.
Ano: 2010
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1415-47572010000200023

Comparative transcriptome profile of the leaf elongation zone of wild barley (Hordeum spontaneum) eibi1 mutant and its isogenic wild type
Provedor de dados: 74
Autores: Zhou,Qin; Wang,Aidong; Duan,Ruijun; Yan,Jun; Zhao,Gang; Nevo,Eviatar; Chen,Guoxiong.
Abstract The naturally occurring wild barley mutant eibi1/hvabcg31 suffers from severe water loss due to the permeable leaf cuticle. Eibi1/HvABCG31 encodes a full ATP-binding cassette (ABC) transporter, HvABCG31, playing a role in cutin deposition in the elongation zone of growing barley leaves. The eibi1 allele has pleiotropic effects on the appearance of leaves, plant stature, fertility, spike and grain size, and rate of germination. Comparative transcriptome profile of the leaf elongation zone of the eibi1 mutant as well as its isogenic wild type showed that various pathogenesis-related genes were up-regulated in the eibi1 mutant. The known cuticle-related genes that we analyzed did not show significant expression difference between the mutant and wild...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: ABC transporter; Defense genes; Desiccation tolerance; Plant cuticle; RNA-Seq.
Ano: 2017
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1415-47572017000500834