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排序方式: 共有117条查询结果,搜索用时 32 毫秒
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Ana Karolina Leite Pais Jessica Rodrigues da Silva Leandro Victor Silva dos Santos Greecy Mirian Rodrigues Albuquerque Antonio Roberto Gomes de Farias Wilson Jos Silva Junior Valdir de Queiroz Balbino Adriano Mrcio Freire Silva Marco Aurlio Siqueira da Gama Elineide Barbosa de Souza 《Genetics and molecular biology》2021,44(1)
Banana vascular wilt or Moko is a disease caused by Ralstonia solanacearum. This study aimed to sequence, assemble, annotate, and compare the genomes of R. solanacearum Moko ecotypes of different sequevar strains from Brazil. Average nucleotide identity analyses demonstrated a high correlation (> 96%) between the genome sequences of strains CCRMRs277 (sequevar IIA-24), CCRMRs287 (IIB-4), CCRMRs304 (IIA-24), and CCRMRsB7 (IIB-25), which were grouped into phylotypes IIA and IIB. The number of coding sequences present in chromosomes and megaplasmids varied from 3,070 to 3,521 and 1,669 to 1,750, respectively. Pangenome analysis identified 3,378 clusters in the chromosomes, of which 2,604 were shared by all four analyzed genomes and 2,580 were single copies. In megaplasmids, 1,834 clusters were identified, of which 1,005 were shared by all four genomes and 992 were identified as single copies. Strains CCRMRsB7 and CCRMRs287 differed from the others by having unique clusters in both their chromosomes and megaplasmids, and CCRMRsB7 possessed the largest genome among all Moko ecotype strains sequenced to date. Therefore, the genomic information obtained in this study provides a theoretical basis for the identification, characterization, and phylogenetic analysis of R. solanacearum Moko ecotypes. 相似文献
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Joo Valdir Comasseto Leandro Helgueira Andrade lvaro Takeo Omori Leonardo Fernandes Assis Andr Luiz Meleiro Porto 《Journal of Molecular Catalysis .B, Enzymatic》2004,29(1-6):55-61
The enantioselective deracemization of a number of p-substituted aryl ethanols and the reduction of p-substituted acetophenones were carried out with whole fungal cells of Aspergillus terreus CCT 4083, A. terreus CCT 3320 and Rhizopus oryzae CCT 4964 giving the corresponding alcohols in enantiomeric excesses up to >99%. 相似文献
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We propose a novel plant-based amphiphilic diblock co-oligomers (BCO) surfactant containing only carbohydrate segments and examine its potential as a biosourced stabilizer. The synthesis of an amphiphilic xyloglucan-based BCO, composed of a hydrophilic xyloglucan oligosaccharide (XGO) block “clicked” to a hydrophobic peracetylated XGO is described. Dynamic light scattering experiments correlated with transmission electron microscopy observations showed that this new class of amphiphilic BCO self-assembles in water to form spherical micelles with a hydrodynamic diameter of 22 nm. Preliminary studies indicate that the XGO-based BCO sterically stabilizes gliadin and zein nanoparticle suspensions. The stabilization results were compared to those using pluronic F-68, a commercial surfactant. For gliadin nanoparticles, both surfactants result in essentially the same morphology and polydispersity. However, for the zein nanoparticles, the XGO-based BCO stabilizer gave lower polydispersity. 相似文献
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Polymorphic color vision in captive Uta Hick's cuxiús,or bearded sakis (Chiropotes utahickae)
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