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Xiaowei Ding Kaihui Liu Yonggui Zhang Feihu Liu 《Journal of microbiology (Seoul, Korea)》2017,55(11):871-876
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Benjamin M Nitsche Jonathan Crabtree Gustavo C Cerqueira Vera Meyer Arthur FJ Ram Jennifer R Wortman 《BMC genomics》2011,12(1):486
Background
Detailed and comprehensive genome annotation can be considered a prerequisite for effective analysis and interpretation of omics data. As such, Gene Ontology (GO) annotation has become a well accepted framework for functional annotation. The genus Aspergillus comprises fungal species that are important model organisms, plant and human pathogens as well as industrial workhorses. However, GO annotation based on both computational predictions and extended manual curation has so far only been available for one of its species, namely A. nidulans.Results
Based on protein homology, we mapped 97% of the 3,498 GO annotated A. nidulans genes to at least one of seven other Aspergillus species: A. niger, A. fumigatus, A. flavus, A. clavatus, A. terreus, A. oryzae and Neosartorya fischeri. GO annotation files compatible with diverse publicly available tools have been generated and deposited online. To further improve their accessibility, we developed a web application for GO enrichment analysis named FetGOat and integrated GO annotations for all Aspergillus species with public genome sequences. Both the annotation files and the web application FetGOat are accessible via the Broad Institute's website (http://www.broadinstitute.org/fetgoat/index.html). To demonstrate the value of those new resources for functional analysis of omics data for the genus Aspergillus, we performed two case studies analyzing microarray data recently published for A. nidulans, A. niger and A. oryzae.Conclusions
We mapped A. nidulans GO annotation to seven other Aspergilli. By depositing the newly mapped GO annotation online as well as integrating it into the web tool FetGOat, we provide new, valuable and easily accessible resources for omics data analysis and interpretation for the genus Aspergillus. Furthermore, we have given a general example of how a well annotated genome can help improving GO annotation of related species to subsequently facilitate the interpretation of omics data.13.
Xiaohui Zhou Shengyou Bao Jun Liu Yong Zhuang 《Plant Molecular Biology Reporter》2016,34(6):1193-1203
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Two new species of Metarhizium, M. bibionidarum and M. purpureogenum are described from Japan. Metarhizium bibionidarum is the phylogenetic sister species of M. pemphigi and a member of the M. flavoviride species complex. It is distinguished morphologically from M. pemphigi by its larger conidia. The species is based on a collection of an infected March fly larva (Diptera: Bibionidae) but is also known to occur on fruit beetle (Coleoptera: Scarabaeidae) encountered in France. Metarhizium purpureogenum was isolated from soil by plating and insect baiting methods and represents a unique phylogenetic lineage placed outside the M. anisopliae and M. flavoviride species complexes. Three isolates of M. purpureogenum excreted a distinctive red-purple pigment into agar medium when co-cultured with M. robertsii or Aspergillus oryzae. 相似文献
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Nan Wang Changzhi Qu Yicheng Wang Haifeng Xu Shenghui Jiang Hongcheng Fang Jingxuan Liu Zongying Zhang Xuesen Chen 《Plant Cell, Tissue and Organ Culture》2017,128(2):283-301
Here, we performed comparative miRNA profiling in wild type and early flowering transgenic Chrysanthemum morifolium with constitutive expression of APETALA1 (AP1)-like gene, HAM92 (Helianthus annuus). Six sRNA libraries constructed from leaves and shoot apexes after the short day photoperiod initiation, as well as from opened inflorescence after anthesis were sequenced and analyzed. A total of 324 members (163 families) of putative conserved miRNAs and 30 candidate novel miRNAs specific for C. morifolium (cmo-miRNAs) were identified. Bioinformatic analysis revealed 427 and 138 potential mRNA targets for conserved and novel cmo-miRNAs, respectively. These genes were described in Gene Ontology terms and found to be implicated in a broad range of signaling pathways. Plant- and tissue-specific expression of 9 highly conserved cmo-miRNAs was compared between wild type and transgenic chrysanthemum lines with ectopic expression of AP1-like genes HAM92 and CDM111 (C. morifolium), using RT-qPCR and cmo-miR162a as a reference miRNA. The results of our study provide a framework for further investigation of miRNA evolution and functions in higher plants, as well as their roles in flowering control. 相似文献
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