Identification of tissue-specific, abiotic stress-responsive gene expression patterns in wine grape (<it>Vitis vinifera </it>L.) based on curation and mining of large-scale EST data sets
<p>Abstract</p> <p>Background</p> <p>Abiotic stresses, such as water deficit and soil salinity, result in changes in physiology, nutrient use, and vegetative growth in vines, and ultimately, yield and flavor in berries of wine grape, <it>Vitis vinifera </it>...
| Main Authors: | , , , , , |
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| Format: | Article |
| Language: | English |
| Published: |
BMC
2011-05-01
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| Series: | BMC Plant Biology |
| Online Access: | http://www.biomedcentral.com/1471-2229/11/86 |
| _version_ | 1811286402046885888 |
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| author | Cramer Grant R Schlauch Karen A Albion Rebecca L Ergül Ali Tillett Richard L Cushman John C |
| author_facet | Cramer Grant R Schlauch Karen A Albion Rebecca L Ergül Ali Tillett Richard L Cushman John C |
| author_sort | Cramer Grant R |
| collection | DOAJ |
| description | <p>Abstract</p> <p>Background</p> <p>Abiotic stresses, such as water deficit and soil salinity, result in changes in physiology, nutrient use, and vegetative growth in vines, and ultimately, yield and flavor in berries of wine grape, <it>Vitis vinifera </it>L. Large-scale expressed sequence tags (ESTs) were generated, curated, and analyzed to identify major genetic determinants responsible for stress-adaptive responses. Although roots serve as the first site of perception and/or injury for many types of abiotic stress, EST sequencing in root tissues of wine grape exposed to abiotic stresses has been extremely limited to date. To overcome this limitation, large-scale EST sequencing was conducted from root tissues exposed to multiple abiotic stresses.</p> <p>Results</p> <p>A total of 62,236 expressed sequence tags (ESTs) were generated from leaf, berry, and root tissues from vines subjected to abiotic stresses and compared with 32,286 ESTs sequenced from 20 public cDNA libraries. Curation to correct annotation errors, clustering and assembly of the berry and leaf ESTs with currently available <it>V. vinifera </it>full-length transcripts and ESTs yielded a total of 13,278 unique sequences, with 2302 singletons and 10,976 mapped to <it>V. vinifera </it>gene models. Of these, 739 transcripts were found to have significant differential expression in stressed leaves and berries including 250 genes not described previously as being abiotic stress responsive. In a second analysis of 16,452 ESTs from a normalized root cDNA library derived from roots exposed to multiple, short-term, abiotic stresses, 135 genes with root-enriched expression patterns were identified on the basis of their relative EST abundance in roots relative to other tissues.</p> <p>Conclusions</p> <p>The large-scale analysis of relative EST frequency counts among a diverse collection of 23 different cDNA libraries from leaf, berry, and root tissues of wine grape exposed to a variety of abiotic stress conditions revealed distinct, tissue-specific expression patterns, previously unrecognized stress-induced genes, and many novel genes with root-enriched mRNA expression for improving our understanding of root biology and manipulation of rootstock traits in wine grape. mRNA abundance estimates based on EST library-enriched expression patterns showed only modest correlations between microarray and quantitative, real-time reverse transcription-polymerase chain reaction (qRT-PCR) methods highlighting the need for deep-sequencing expression profiling methods.</p> |
| first_indexed | 2024-04-13T02:59:13Z |
| format | Article |
| id | doaj.art-ed4c34683efe43da814bf2957c79b48c |
| institution | Directory Open Access Journal |
| issn | 1471-2229 |
| language | English |
| last_indexed | 2024-04-13T02:59:13Z |
| publishDate | 2011-05-01 |
| publisher | BMC |
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| series | BMC Plant Biology |
| spelling | doaj.art-ed4c34683efe43da814bf2957c79b48c2022-12-22T03:05:30ZengBMCBMC Plant Biology1471-22292011-05-011118610.1186/1471-2229-11-86Identification of tissue-specific, abiotic stress-responsive gene expression patterns in wine grape (<it>Vitis vinifera </it>L.) based on curation and mining of large-scale EST data setsCramer Grant RSchlauch Karen AAlbion Rebecca LErgül AliTillett Richard LCushman John C<p>Abstract</p> <p>Background</p> <p>Abiotic stresses, such as water deficit and soil salinity, result in changes in physiology, nutrient use, and vegetative growth in vines, and ultimately, yield and flavor in berries of wine grape, <it>Vitis vinifera </it>L. Large-scale expressed sequence tags (ESTs) were generated, curated, and analyzed to identify major genetic determinants responsible for stress-adaptive responses. Although roots serve as the first site of perception and/or injury for many types of abiotic stress, EST sequencing in root tissues of wine grape exposed to abiotic stresses has been extremely limited to date. To overcome this limitation, large-scale EST sequencing was conducted from root tissues exposed to multiple abiotic stresses.</p> <p>Results</p> <p>A total of 62,236 expressed sequence tags (ESTs) were generated from leaf, berry, and root tissues from vines subjected to abiotic stresses and compared with 32,286 ESTs sequenced from 20 public cDNA libraries. Curation to correct annotation errors, clustering and assembly of the berry and leaf ESTs with currently available <it>V. vinifera </it>full-length transcripts and ESTs yielded a total of 13,278 unique sequences, with 2302 singletons and 10,976 mapped to <it>V. vinifera </it>gene models. Of these, 739 transcripts were found to have significant differential expression in stressed leaves and berries including 250 genes not described previously as being abiotic stress responsive. In a second analysis of 16,452 ESTs from a normalized root cDNA library derived from roots exposed to multiple, short-term, abiotic stresses, 135 genes with root-enriched expression patterns were identified on the basis of their relative EST abundance in roots relative to other tissues.</p> <p>Conclusions</p> <p>The large-scale analysis of relative EST frequency counts among a diverse collection of 23 different cDNA libraries from leaf, berry, and root tissues of wine grape exposed to a variety of abiotic stress conditions revealed distinct, tissue-specific expression patterns, previously unrecognized stress-induced genes, and many novel genes with root-enriched mRNA expression for improving our understanding of root biology and manipulation of rootstock traits in wine grape. mRNA abundance estimates based on EST library-enriched expression patterns showed only modest correlations between microarray and quantitative, real-time reverse transcription-polymerase chain reaction (qRT-PCR) methods highlighting the need for deep-sequencing expression profiling methods.</p>http://www.biomedcentral.com/1471-2229/11/86 |
| spellingShingle | Cramer Grant R Schlauch Karen A Albion Rebecca L Ergül Ali Tillett Richard L Cushman John C Identification of tissue-specific, abiotic stress-responsive gene expression patterns in wine grape (<it>Vitis vinifera </it>L.) based on curation and mining of large-scale EST data sets BMC Plant Biology |
| title | Identification of tissue-specific, abiotic stress-responsive gene expression patterns in wine grape (<it>Vitis vinifera </it>L.) based on curation and mining of large-scale EST data sets |
| title_full | Identification of tissue-specific, abiotic stress-responsive gene expression patterns in wine grape (<it>Vitis vinifera </it>L.) based on curation and mining of large-scale EST data sets |
| title_fullStr | Identification of tissue-specific, abiotic stress-responsive gene expression patterns in wine grape (<it>Vitis vinifera </it>L.) based on curation and mining of large-scale EST data sets |
| title_full_unstemmed | Identification of tissue-specific, abiotic stress-responsive gene expression patterns in wine grape (<it>Vitis vinifera </it>L.) based on curation and mining of large-scale EST data sets |
| title_short | Identification of tissue-specific, abiotic stress-responsive gene expression patterns in wine grape (<it>Vitis vinifera </it>L.) based on curation and mining of large-scale EST data sets |
| title_sort | identification of tissue specific abiotic stress responsive gene expression patterns in wine grape it vitis vinifera it l based on curation and mining of large scale est data sets |
| url | http://www.biomedcentral.com/1471-2229/11/86 |
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