Abstract:
:A cDNA library containing approximately 5,000 clones from germinating barley embryos was constructed and used to examine the variation in gene expression patterns during the first 4 days postimbibition. The expression profiles of embryos (including scutellum) from 4 to 96 h postimbibition were compared to a reference profile from 24 h postimbibition using microarray analysis. A subset of clones exhibiting tenfold or greater differential expression patterns was sequenced to elucidate function. All of the sequenced clones could be identified to at least EST level with 64% exhibiting homology to published protein sequences. Almost 95% of the library exhibited similar expression levels at the 4 h time point as at the 24 h reference point. From 24 to 96 h, however, considerable fluctuations in gene expression occurred. The observed patterns of gene expression for the classified genes are consistent with the expected genetic changes required to prepare an embryo for germinative development. A replicate set of clones for the 23-kDa jasmonate-induced protein was identified. The current data not only provides conclusive evidence for the expression patterns of this abundant stress-response protein in germinating embryos, but also serves to validate previous research into JIP-23 isoforms, function and the relationship between timing of mRNA upregulation and protein abundance.
journal_name
Funct Integr Genomicsjournal_title
Functional & integrative genomicsauthors
Watson L,Henry RJdoi
10.1007/s10142-005-0133-6keywords:
subject
Has Abstractpub_date
2005-07-01 00:00:00pages
155-62issue
3eissn
1438-793Xissn
1438-7948journal_volume
5pub_type
杂志文章abstract::Recent updates in comparative genomics among cereals have provided the opportunity to identify conserved orthologous set (COS) DNA sequences for cross-genome map-based cloning of candidate genes underpinning quantitative traits. New tools are described that are applicable to any cereal genome of interest, namely, alig...
journal_title:Functional & integrative genomics
pub_type: 杂志文章
doi:10.1007/s10142-009-0129-8
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journal_title:Functional & integrative genomics
pub_type: 杂志文章,评审
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journal_title:Functional & integrative genomics
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journal_title:Functional & integrative genomics
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journal_title:Functional & integrative genomics
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journal_title:Functional & integrative genomics
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journal_title:Functional & integrative genomics
pub_type: 杂志文章
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journal_title:Functional & integrative genomics
pub_type: 杂志文章,评审
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journal_title:Functional & integrative genomics
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journal_title:Functional & integrative genomics
pub_type: 杂志文章
doi:10.1007/s10142-013-0327-2
更新日期:2013-08-01 00:00:00
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journal_title:Functional & integrative genomics
pub_type: 杂志文章
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更新日期:2018-01-01 00:00:00
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journal_title:Functional & integrative genomics
pub_type: 杂志文章
doi:10.1007/s10142-008-0075-x
更新日期:2008-08-01 00:00:00
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pub_type: 杂志文章
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journal_title:Functional & integrative genomics
pub_type: 杂志文章
doi:10.1007/s10142-007-0052-9
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journal_title:Functional & integrative genomics
pub_type: 杂志文章,meta分析
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journal_title:Functional & integrative genomics
pub_type: 杂志文章
doi:10.1007/s10142-001-0040-4
更新日期:2002-04-01 00:00:00
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journal_title:Functional & integrative genomics
pub_type: 杂志文章
doi:10.1007/s10142-016-0500-5
更新日期:2016-09-01 00:00:00
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journal_title:Functional & integrative genomics
pub_type: 杂志文章
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journal_title:Functional & integrative genomics
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journal_title:Functional & integrative genomics
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journal_title:Functional & integrative genomics
pub_type: 杂志文章
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journal_title:Functional & integrative genomics
pub_type: 杂志文章
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journal_title:Functional & integrative genomics
pub_type: 杂志文章
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journal_title:Functional & integrative genomics
pub_type: 杂志文章
doi:10.1007/s10142-002-0066-2
更新日期:2002-08-01 00:00:00
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journal_title:Functional & integrative genomics
pub_type: 杂志文章
doi:10.1007/s10142-014-0405-0
更新日期:2014-12-01 00:00:00
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journal_title:Functional & integrative genomics
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journal_title:Functional & integrative genomics
pub_type: 杂志文章,评审
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journal_title:Functional & integrative genomics
pub_type: 杂志文章
doi:10.1007/s10142-010-0172-5
更新日期:2010-11-01 00:00:00
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journal_title:Functional & integrative genomics
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更新日期:2019-09-01 00:00:00