Analysis of expressed sequence tags from Musa acuminata ssp. burmannicoides, var. Calcutta 4 (AA) leaves submitted to temperature stresses

In order to discover genes expressed in leaves of Musa acuminata ssp. burmannicoides var. Calcutta 4 (AA), from plants submitted to temperature stress, we produced and characterized two full-length enriched cDNA libraries. Total RNA from plants subjected to temperatures ranging from 5 degrees C to 2...

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Bibliographic Details
Published in:	Theoretical and applied genetics Vol. 110; no. 8; pp. 1517 - 1522
Main Authors:	Santos, C.M.R, Martins, N.F, Horberg, H.M, Almeida, E.R.P. de, Coelho, M.C.F, Togawa, R.C, Silva, F.R. da, Caetano, A.R, Miller, R.N.G, Souza, M.T. Jr
Format:	Journal Article
Language:	English
Published:	Heidelberg Springer 01-05-2005 Berlin Springer Nature B.V
Subjects:	accumulation air temperature arabidopsis Base Sequence Biological and medical sciences cDNA libraries Classical genetics, quantitative genetics, hybrids clones cold stress cold-acclimation complementary DNA DNA Primers Expressed Sequence Tags Fundamental and applied biological sciences. Psychology gene expression Gene Library genes Genes, Plant - genetics Genetics of eukaryotes. Biological and molecular evolution heat stress heat-shock-protein leaves Libraries messenger RNA Molecular Sequence Data Musa - genetics Musa acuminata Musa acuminata subsp. burmannicoides oxidative stress parenchyma cells Plant Leaves - genetics plants Pteridophyta, spermatophyta Sequence Analysis, DNA Species Specificity Temperature tobacco tolerance Vegetals Monocotyledones Temperature Genetic marker Musaceae Plant leaf Stress Musa Analysis Angiospermae Genetics Spermatophyta Agriculture Expressed sequence tag
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Summary:	In order to discover genes expressed in leaves of Musa acuminata ssp. burmannicoides var. Calcutta 4 (AA), from plants submitted to temperature stress, we produced and characterized two full-length enriched cDNA libraries. Total RNA from plants subjected to temperatures ranging from 5 degrees C to 25 degrees C and from 25 degrees C to 45 degrees C was used to produce a COLD and a HOT cDNA library, respectively. We sequenced 1,440 clones from each library. Following quality analysis and vector trimming, we assembled 2,286 sequences from both libraries into 1,019 putative transcripts, consisting of 217 clusters and 802 singletons, which we denoted Musa acuminata assembled expressed sequence tagged (EST) sequences (MaAES). Of these MaAES, 22.87% showed no matches with existing sequences in public databases. A global analysis of the MaAES data set indicated that 10% of the sequenced cDNAs are present in both cDNA libraries, while 42% and 48% are present only in the COLD or in the HOT libraries, respectively. Annotation of the MaAES data set categorized them into 22 functional classes. Of the 2,286 high-quality sequences, 715 (31.28%) originated from full-length cDNA clones and resulted in a set of 149 genes.
Bibliography:	ObjectType-Article-2 SourceType-Scholarly Journals-1 ObjectType-Feature-1 content type line 23 ObjectType-Article-1 ObjectType-Feature-2
ISSN:	0040-5752 1432-2242
DOI:	10.1007/s00122-005-1989-5