Studies of a new lipid transfer protein (LTP) expresssed during coffee fruit development
The compounds present in coffee fruits directly determine the final quality of the coffee beverage. The identification of proteins expressed during coffee fruit development could contribute to understand key molecules linked to the final quality of coffee beans. Moreover, tissue-specific promoters are molecular tools that could be used to control the expression of genes improving coffee quality. This work presents data concerning expression analysis of a gene named CaLTP2 encoding a putative Lipid Transfer Protein (LTP) identified as preferentially expressed in coffee fruit within the Coffee ESTs Database. Northern blot analysis revealed that CaLTP2 is expressed only in fruits but not in roots and leaves, giving a transcript of approximately 600 b. In addition, CaLTP2 seems specific of endosperm (bean) because corresponding transcripts accumulate only during final stage of maturation but not in earlier developmental stages. To confirm this, CaLTP2 expression was also monitored by Real Time PCR (q-PCR) using RNA isolated from separated pericarp, perisperm and endosperm tissues. This showed that CaLTP2 was highly transcribed in endosperm, opening the way to the cloning and characterization of its corresponding promoter sequence that could be used in plant improving program. (Texte intégral)
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Subjects: | F62 - Physiologie végétale - Croissance et développement, F30 - Génétique et amélioration des plantes, Coffea, expression des gènes, lipide, http://aims.fao.org/aos/agrovoc/c_1720, http://aims.fao.org/aos/agrovoc/c_27527, http://aims.fao.org/aos/agrovoc/c_4362, |
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dig-cirad-fr-5452702024-01-28T16:05:35Z http://agritrop.cirad.fr/545270/ http://agritrop.cirad.fr/545270/ Studies of a new lipid transfer protein (LTP) expresssed during coffee fruit development. Barros Leila M.G., Cotta Michelle G., Barbosa Eder A., Santos Daiene B.M., Soares Abreu Mariana, Marraccini Pierre, Da Silva Fernanda R., Rodrigues Gustavo Costa, Eira Miriam T.S., De Almeida Juliana D., Andrade C.A., Carneiro Mauro. 2008. In : XXXVII Reunião Anual da Sociedade Brasileira de Bioquimica et Biologia Molecular, 17 a 20 de Maio de 2008, São Paulo, Brésil. s.l. : s.n., 1 p. Reunião Anual da Sociedade Brasileira de Bioquimica et Biologia Molecular. 37, São Paulo, Brésil, 17 Mai 2008/20 Mai 2008. Studies of a new lipid transfer protein (LTP) expresssed during coffee fruit development Barros, Leila M.G. Cotta, Michelle G. Barbosa, Eder A. Santos, Daiene B.M. Soares Abreu, Mariana Marraccini, Pierre Da Silva, Fernanda R. Rodrigues, Gustavo Costa Eira, Miriam T.S. De Almeida, Juliana D. Andrade, C.A. Carneiro, Mauro eng 2008 s.n. XXXVII Reunião Anual da Sociedade Brasileira de Bioquimica et Biologia Molecular, 17 a 20 de Maio de 2008, São Paulo, Brésil F62 - Physiologie végétale - Croissance et développement F30 - Génétique et amélioration des plantes Coffea expression des gènes lipide http://aims.fao.org/aos/agrovoc/c_1720 http://aims.fao.org/aos/agrovoc/c_27527 http://aims.fao.org/aos/agrovoc/c_4362 The compounds present in coffee fruits directly determine the final quality of the coffee beverage. The identification of proteins expressed during coffee fruit development could contribute to understand key molecules linked to the final quality of coffee beans. Moreover, tissue-specific promoters are molecular tools that could be used to control the expression of genes improving coffee quality. This work presents data concerning expression analysis of a gene named CaLTP2 encoding a putative Lipid Transfer Protein (LTP) identified as preferentially expressed in coffee fruit within the Coffee ESTs Database. Northern blot analysis revealed that CaLTP2 is expressed only in fruits but not in roots and leaves, giving a transcript of approximately 600 b. In addition, CaLTP2 seems specific of endosperm (bean) because corresponding transcripts accumulate only during final stage of maturation but not in earlier developmental stages. To confirm this, CaLTP2 expression was also monitored by Real Time PCR (q-PCR) using RNA isolated from separated pericarp, perisperm and endosperm tissues. This showed that CaLTP2 was highly transcribed in endosperm, opening the way to the cloning and characterization of its corresponding promoter sequence that could be used in plant improving program. (Texte intégral) conference_item info:eu-repo/semantics/conferenceObject Conference info:eu-repo/semantics/closedAccess http://catalogue-bibliotheques.cirad.fr/cgi-bin/koha/opac-detail.pl?biblionumber=201179 |
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F62 - Physiologie végétale - Croissance et développement F30 - Génétique et amélioration des plantes Coffea expression des gènes lipide http://aims.fao.org/aos/agrovoc/c_1720 http://aims.fao.org/aos/agrovoc/c_27527 http://aims.fao.org/aos/agrovoc/c_4362 F62 - Physiologie végétale - Croissance et développement F30 - Génétique et amélioration des plantes Coffea expression des gènes lipide http://aims.fao.org/aos/agrovoc/c_1720 http://aims.fao.org/aos/agrovoc/c_27527 http://aims.fao.org/aos/agrovoc/c_4362 |
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F62 - Physiologie végétale - Croissance et développement F30 - Génétique et amélioration des plantes Coffea expression des gènes lipide http://aims.fao.org/aos/agrovoc/c_1720 http://aims.fao.org/aos/agrovoc/c_27527 http://aims.fao.org/aos/agrovoc/c_4362 F62 - Physiologie végétale - Croissance et développement F30 - Génétique et amélioration des plantes Coffea expression des gènes lipide http://aims.fao.org/aos/agrovoc/c_1720 http://aims.fao.org/aos/agrovoc/c_27527 http://aims.fao.org/aos/agrovoc/c_4362 Barros, Leila M.G. Cotta, Michelle G. Barbosa, Eder A. Santos, Daiene B.M. Soares Abreu, Mariana Marraccini, Pierre Da Silva, Fernanda R. Rodrigues, Gustavo Costa Eira, Miriam T.S. De Almeida, Juliana D. Andrade, C.A. Carneiro, Mauro Studies of a new lipid transfer protein (LTP) expresssed during coffee fruit development |
description |
The compounds present in coffee fruits directly determine the final quality of the coffee beverage. The identification of proteins expressed during coffee fruit development could contribute to understand key molecules linked to the final quality of coffee beans. Moreover, tissue-specific promoters are molecular tools that could be used to control the expression of genes improving coffee quality. This work presents data concerning expression analysis of a gene named CaLTP2 encoding a putative Lipid Transfer Protein (LTP) identified as preferentially expressed in coffee fruit within the Coffee ESTs Database. Northern blot analysis revealed that CaLTP2 is expressed only in fruits but not in roots and leaves, giving a transcript of approximately 600 b. In addition, CaLTP2 seems specific of endosperm (bean) because corresponding transcripts accumulate only during final stage of maturation but not in earlier developmental stages. To confirm this, CaLTP2 expression was also monitored by Real Time PCR (q-PCR) using RNA isolated from separated pericarp, perisperm and endosperm tissues. This showed that CaLTP2 was highly transcribed in endosperm, opening the way to the cloning and characterization of its corresponding promoter sequence that could be used in plant improving program. (Texte intégral) |
format |
conference_item |
topic_facet |
F62 - Physiologie végétale - Croissance et développement F30 - Génétique et amélioration des plantes Coffea expression des gènes lipide http://aims.fao.org/aos/agrovoc/c_1720 http://aims.fao.org/aos/agrovoc/c_27527 http://aims.fao.org/aos/agrovoc/c_4362 |
author |
Barros, Leila M.G. Cotta, Michelle G. Barbosa, Eder A. Santos, Daiene B.M. Soares Abreu, Mariana Marraccini, Pierre Da Silva, Fernanda R. Rodrigues, Gustavo Costa Eira, Miriam T.S. De Almeida, Juliana D. Andrade, C.A. Carneiro, Mauro |
author_facet |
Barros, Leila M.G. Cotta, Michelle G. Barbosa, Eder A. Santos, Daiene B.M. Soares Abreu, Mariana Marraccini, Pierre Da Silva, Fernanda R. Rodrigues, Gustavo Costa Eira, Miriam T.S. De Almeida, Juliana D. Andrade, C.A. Carneiro, Mauro |
author_sort |
Barros, Leila M.G. |
title |
Studies of a new lipid transfer protein (LTP) expresssed during coffee fruit development |
title_short |
Studies of a new lipid transfer protein (LTP) expresssed during coffee fruit development |
title_full |
Studies of a new lipid transfer protein (LTP) expresssed during coffee fruit development |
title_fullStr |
Studies of a new lipid transfer protein (LTP) expresssed during coffee fruit development |
title_full_unstemmed |
Studies of a new lipid transfer protein (LTP) expresssed during coffee fruit development |
title_sort |
studies of a new lipid transfer protein (ltp) expresssed during coffee fruit development |
publisher |
s.n. |
url |
http://agritrop.cirad.fr/545270/ |
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