共查询到20条相似文献,搜索用时 15 毫秒
1.
Background
The goal of this study was describing the temporal evolution of Aujeszky's disease virus (ADV) contact prevalence among Eurasian wild boar (Sus scrofa) populations under different management regimes and contact likelihoods with domestic pigs. Given the recent increase in wild boar abundance throughout Europe, we hypothesized that wild boar contact with ADV would remain stable in time even after significant reduction of ADV prevalence in domestic pigs. 相似文献2.
Mehboob Ali Todd M Umstead Rizwanul Haque Anatoly N Mikerov Willard M Freeman Joanna Floros David S Phelps 《Proteome science》2010,8(1):34
Background
Surfactant protein-A (SP-A) has been shown to play a variety of roles related to lung host defense function. Mice lacking SP-A are more susceptible to infection than wild type C57BL/6 mice. We studied bronchoalveolar lavage (BAL) protein expression in wild type and SP-A-/- mice infected with Klebsiella pneumoniae by 2D-DIGE. 相似文献3.
Kseniya A Golovnina Elena Ya Kondratenko Alexander G Blinov Nikolay P Goncharov 《BMC plant biology》2010,10(1):168
Background
Variability of the VRN1 promoter region of the unique collection of spring polyploid and wild diploid wheat species together with diploid goatgrasses (donor of B and D genomes of polyploid wheats) were investigated. Accessions of wild diploid (T. boeoticum, T. urartu) and tetraploid (T. araraticum, T. timopheevii) species were studied for the first time. 相似文献4.
Ryoji Takahashi Joseph G Dubouzet Hisakazu Matsumura Kentaro Yasuda Tsukasa Iwashina 《BMC plant biology》2010,10(1):155
Background
Glycine soja is a wild relative of soybean that has purple flowers. No flower color variant of Glycine soja has been found in the natural habitat. 相似文献5.
Gortazar C Torres MJ Acevedo P Aznar J Negro JJ de la Fuente J Vicente J 《BMC microbiology》2011,11(1):27
Background
We describe the diversity of two kinds of mycobacteria isolates, environmental mycobacteria and Mycobacterium bovis collected from wild boar, fallow deer, red deer and cattle in Do?ana National Park (DNP, Spain), analyzing their association with temporal, spatial and environmental factors. 相似文献6.
Background
Poxviruses are important pathogens of humans, livestock and wild animals. These large dsDNA viruses have a set of core orthologs whose gene order is extremely well conserved throughout poxvirus genera. They also contain many genes with sequence and functional similarity to host genes which were probably acquired by horizontal gene transfer. 相似文献7.
Gianpiero Marconi Emidio Albertini Pierluigi Barone Francesca De Marchis Chiara Lico Carla Marusic Domenico Rutili Fabio Veronesi Andrea Porceddu 《BMC biotechnology》2006,6(1):29-9
Background
Classical Swine Fever (CSFV) is one of the most important viral infectious diseases affecting wild boars and domestic pigs. The etiological agent of the disease is the CSF virus, a single stranded RNA virus belonging to the family Flaviviridae. 相似文献8.
9.
Kwadwo Owusu Ayeh YeonKyeong Lee Mike J Ambrose Anne Kathrine Hvoslef-Eide 《BMC plant biology》2009,9(1):76-7
Background
In pea seeds (Pisum sativum L.), the Def locus defines an abscission event where the seed separates from the funicle through the intervening hilum region at maturity. A spontaneous mutation at this locus results in the seed failing to abscise from the funicle as occurs in wild type peas. In this work, structural differences between wild type peas that developed a distinct abscission zone (AZ) between the funicle and the seed coat and non-abscission def mutant were characterized. 相似文献10.
Background
The wild herb Swertia mussotii is a source of the anti-hepatitis compounds swertiamarin, mangiferin and gentiopicroside. Its over-exploitation has raised the priority of producing these compounds heterologously. Somatic hybridization represents a novel approach for introgressing Swertia mussotii genes into a less endangered species. 相似文献11.
Origin of mitochondrial DNA diversity of domestic yaks 总被引:4,自引:0,他引:4
Songchang Guo Peter Savolainen Jianping Su Qian Zhang Delin Qi Jie Zhou Yang Zhong Xinquan Zhao Jianquan Liu 《BMC evolutionary biology》2006,6(1):73
Background
The domestication of plants and animals was extremely important anthropologically. Previous studies have revealed a general tendency for populations of livestock species to include deeply divergent maternal lineages, indicating that they were domesticated in multiple, independent events from genetically discrete wild populations. However, in water buffalo, there are suggestions that a similar deep maternal bifurcation may have originated from a single population. These hypotheses have rarely been rigorously tested because of a lack of sufficient wild samples. To investigate the origin of the domestic yak (Poephagus grunnies), we analyzed 637 bp of maternal inherited mtDNA from 13 wild yaks (including eight wild yaks from a small population in west Qinghai) and 250 domesticated yaks from major herding regions. 相似文献12.
Almudena Castillo Gabriel Dorado Catherine Feuillet Pierre Sourdille Pilar Hernandez 《BMC plant biology》2010,10(1):266
Background
Multi-allelic microsatellite markers have become the markers of choice for the determination of genetic structure in plants. Synteny across cereals has allowed the cross-species and cross-genera transferability of SSR markers, which constitute a valuable and cost-effective tool for the genetic analysis and marker-assisted introgression of wild related species. Hordeum chilense is one of the wild relatives with a high potential for cereal breeding, due to its high crossability (both interspecies and intergenera) and polymorphism for adaptation traits. In order to analyze the genetic structure and ecogeographical adaptation of this wild species, it is necessary to increase the number of polymorphic markers currently available for the species. In this work, the possibility of using syntenic wheat SSRs as a new source of markers for this purpose has been explored. 相似文献13.
Purpose of work
Mutation of the p53 gene is the most common genetic alteration in human cancers. Our study proposes to rationally design a p53 antisense oligonucleotide (ASO) repository, which contains a series of ASOs containing single nucleotide differences to discriminate between each mutant and wild type (WT) p53. 相似文献14.
Aims
The aim of this study was to investigate the role of invasin in a bacterial fish pathogen Edwardsiella tarda.Methods and Results
In this study, an in‐frame deletion mutant of invasin (Δinv) in Edw. tarda H1 was constructed through double crossover allelic exchange to explore the function of invasin in virulence to fish. Meanwhile, an invasin overexpression strain (inv+) was obtained by electrotransformation of a low‐copy plasmid pACYC184 carrying the intact invasin into the Δinv mutant. Several virulence‐associated characters of the mutants and wild‐type strain were tested. Compared with the wild‐type H1, haemolytic activity and biofilm formation were decreased in Δinv, while increased significantly in inv+. In addition, the invasin overexpressing strain inv+ exhibited increased internalization into Epithelioma Papulosum Cyprini (EPC) cells. Moreover, in zebrafish model, Δinv showed decreased virulence compared with H1, while inv+ restored the virulence of wild type completely.Conclusions
The results demonstrated that invasin of Edw. tarda plays essential roles in haemolytic activity, biofilm formation, adherence, internalization and pathogenicity of this bacterium.Significance and Impact of the Study
This study revealed the role of invasin in Edw. tarda infection and provided useful information for further unveiling the pathogenesis of Edw. tarda. 相似文献15.
Taehwan Lee John B Burch Trevor Coote Paul Pearce-Kelly Carole Hickman Jean-Yves Meyer Diarmaid Ó Foighil 《BMC evolutionary biology》2009,9(1):204-16
Background
The mass extirpation of the island of Moorea's endemic partulid tree snail fauna, following the deliberate introduction of the alien predator Euglandina rosea, represents one of the highest profile conservation crises of the past thirty years. All of the island's partulids were thought to be extirpated by 1987, with five species persisting in zoos, but intensive field surveys have recently detected a number of surviving wild populations. We report here a mitochondrial (mt) phylogenetic estimate of Moorean partulid wild and captive lineage survival calibrated with a reference museum collection that pre-dates the predator's introduction and that also includes a parallel dataset from the neighboring island of Tahiti. 相似文献16.
Runchun Jing Alexander Vershinin Jacek Grzebyta Paul Shaw Petr Smýkal David Marshall Michael J Ambrose TH Noel Ellis Andrew J Flavell 《BMC evolutionary biology》2010,10(1):44
Background
The genetic diversity of crop species is the result of natural selection on the wild progenitor and human intervention by ancient and modern farmers and breeders. The genomes of modern cultivars, old cultivated landraces, ecotypes and wild relatives reflect the effects of these forces and provide insights into germplasm structural diversity, the geographical dimension to species diversity and the process of domestication of wild organisms. This issue is also of great practical importance for crop improvement because wild germplasm represents a rich potential source of useful under-exploited alleles or allele combinations. The aim of the present study was to analyse a major Pisum germplasm collection to gain a broad understanding of the diversity and evolution of Pisum and provide a new rational framework for designing germplasm core collections of the genus. 相似文献17.
Jonathan D Moore Shelagh P Kell Jose M Iriondo Brian V Ford-Lloyd Nigel Maxted 《BMC bioinformatics》2008,9(1):116
Background
Crop wild relatives are wild species that are closely related to crops. They are valuable as potential gene donors for crop improvement and may help to ensure food security for the future. However, they are becoming increasingly threatened in the wild and are inadequately conserved, both in situ and ex situ. Information about the conservation status and utilisation potential of crop wild relatives is diverse and dispersed, and no single agreed standard exists for representing such information; yet, this information is vital to ensure these species are effectively conserved and utilised. The European Community-funded project, European Crop Wild Relative Diversity Assessment and Conservation Forum, determined the minimum information requirements for the conservation and utilisation of crop wild relatives and created the Crop Wild Relative Information System, incorporating an eXtensible Markup Language (XML) schema to aid data sharing and exchange. 相似文献18.
Shin-Young Hong Pil Joon Seo Moon-Sik Yang Fengning Xiang Chung-Mo Park 《BMC plant biology》2008,8(1):112
Background
The wild grass species Brachypodium distachyon (Brachypodium hereafter) is emerging as a new model system for grass crop genomics research and biofuel grass biology. A draft nuclear genome sequence is expected to be publicly available in the near future; an explosion of gene expression studies will undoubtedly follow. Therefore, stable reference genes are necessary to normalize the gene expression data. 相似文献19.
20.
Simon Gubbins Charlotte J Cook Kieran Hyder Kay Boulton Carol Davis Eurion Thomas Will Haresign Stephen C Bishop Beatriz Villanueva Rachel D Eglin 《BMC veterinary research》2009,5(1):1-8