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Type: Artigo de periódico
Title: Molecular chaperone genes in the sugarcane expressed sequence database (SUCEST)
Author: Borges, JC
Peroto, MC
Ramos, CH
Abstract: Some newly synthesized proteins require the assistance of molecular chaperones for their correct folding. Chaperones are also involved in the dissolution of protein aggregates making their study significant for both biotechnology and medicine and the identification of chaperones and stress-related protein sequences in different organisms is an important task. We used bioinformatic tools to investigate the information generated by the Sugarcane Expressed Sequence Tag (SUCEST) genome project in order to identify and annotate molecular chaperones. We considered that the SUCEST sequences belonged to this category of proteins when their E-values were lower than 1.0e-05. Our annotation shows that 4,164 of the 5' expressed sequence tag (EST) sequences were homologous to molecular chaperones, nearly 1.8% of all the 5' ESTs sequenced during the SUCEST project. About 43% of the chaperones which we found were Hsp70 chaperones and its co-chaperones, 10% were Hsp90 chaperones and 13% were peptidyl-prolyl cis, trans isomerase. Based on the annotation results we predicted 156 different chaperone gene subclasses in the sugarcane genome. Taken together, our results indicate that genes which encode chaperones were diverse and abundantly expressed in sugarcane cells, which emphasizes their biological importance.
Country: Brasil
Editor: Soc Brasil Genetica
Rights: aberto
Identifier DOI: 10.1590/S1415-47572001000100013
Date Issue: 2001
Appears in Collections:Unicamp - Artigos e Outros Documentos

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