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Lycopene-epsilon-cyclase pre-mRNA is alternatively spliced in Cara Cara navel orange (Citrus sinensis Osbeck).

Identifieur interne : 000C35 ( PubMed/Checkpoint ); précédent : 000C34; suivant : 000C36

Lycopene-epsilon-cyclase pre-mRNA is alternatively spliced in Cara Cara navel orange (Citrus sinensis Osbeck).

Auteurs : Neng-Guo Tao [République populaire de Chine] ; Juan Xu ; Yun-Jiang Cheng ; Xiu-Xin Deng

Source :

RBID : pubmed:16086259

English descriptors

Abstract

Lycopene-epsilon-cyclase is one of the key enzymes related to alpha-carotene metabolism in plants. A full-length cDNA of 1300 bp encoding lycopene-epsilon-cyclase (Lyce) was generated from Cara Cara navel orange, a unique navel orange containing both lycopene and beta-carotene in its pulp, with little or no alpha-carotene. The gene had a 14 bp nucleotides deletion and caused a terminal mutation. DNA sequence corresponding to the deletion region revealed that two repeats of 6 bp (AGGTGT) were flanking the region in both Cara Cara and its original variety, Washington navel oranges, but a 2 bp (AT) insertion was only found in Cara Cara which explain the alternative splicing character of the gene.

DOI: 10.1007/s10529-005-5793-8
PubMed: 16086259


Affiliations:


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pubmed:16086259

Le document en format XML

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<title xml:lang="en">Lycopene-epsilon-cyclase pre-mRNA is alternatively spliced in Cara Cara navel orange (Citrus sinensis Osbeck).</title>
<author>
<name sortKey="Tao, Neng Guo" sort="Tao, Neng Guo" uniqKey="Tao N" first="Neng-Guo" last="Tao">Neng-Guo Tao</name>
<affiliation wicri:level="1">
<nlm:affiliation>National Key Laboratory of Crop Genetic Improvement, National Center of Crop Molecular Breeding, Huazhong Agricultural University, 430070, Wuhan, P.R. China.</nlm:affiliation>
<country xml:lang="fr" wicri:curation="lc">République populaire de Chine</country>
<wicri:regionArea>National Key Laboratory of Crop Genetic Improvement, National Center of Crop Molecular Breeding, Huazhong Agricultural University, 430070, Wuhan</wicri:regionArea>
<wicri:noRegion>Wuhan</wicri:noRegion>
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<name sortKey="Xu, Juan" sort="Xu, Juan" uniqKey="Xu J" first="Juan" last="Xu">Juan Xu</name>
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<name sortKey="Cheng, Yun Jiang" sort="Cheng, Yun Jiang" uniqKey="Cheng Y" first="Yun-Jiang" last="Cheng">Yun-Jiang Cheng</name>
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<author>
<name sortKey="Deng, Xiu Xin" sort="Deng, Xiu Xin" uniqKey="Deng X" first="Xiu-Xin" last="Deng">Xiu-Xin Deng</name>
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<title xml:lang="en">Lycopene-epsilon-cyclase pre-mRNA is alternatively spliced in Cara Cara navel orange (Citrus sinensis Osbeck).</title>
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<name sortKey="Tao, Neng Guo" sort="Tao, Neng Guo" uniqKey="Tao N" first="Neng-Guo" last="Tao">Neng-Guo Tao</name>
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<term>Alternative Splicing</term>
<term>Amino Acid Sequence</term>
<term>Base Sequence</term>
<term>Citrus sinensis (enzymology)</term>
<term>Citrus sinensis (genetics)</term>
<term>Cloning, Molecular</term>
<term>DNA, Complementary (chemistry)</term>
<term>DNA, Complementary (genetics)</term>
<term>Intramolecular Lyases (genetics)</term>
<term>Molecular Sequence Data</term>
<term>Mutagenesis, Insertional</term>
<term>Mutation</term>
<term>Plant Proteins (genetics)</term>
<term>RNA Precursors (genetics)</term>
<term>Sequence Analysis, DNA</term>
<term>Sequence Deletion</term>
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<keywords scheme="MESH" type="chemical" qualifier="chemistry" xml:lang="en">
<term>DNA, Complementary</term>
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<keywords scheme="MESH" qualifier="enzymology" xml:lang="en">
<term>Citrus sinensis</term>
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<keywords scheme="MESH" qualifier="genetics" xml:lang="en">
<term>Citrus sinensis</term>
<term>DNA, Complementary</term>
<term>Intramolecular Lyases</term>
<term>Plant Proteins</term>
<term>RNA Precursors</term>
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<keywords scheme="MESH" xml:lang="en">
<term>Alternative Splicing</term>
<term>Amino Acid Sequence</term>
<term>Base Sequence</term>
<term>Cloning, Molecular</term>
<term>Molecular Sequence Data</term>
<term>Mutagenesis, Insertional</term>
<term>Mutation</term>
<term>Sequence Analysis, DNA</term>
<term>Sequence Deletion</term>
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<front>
<div type="abstract" xml:lang="en">Lycopene-epsilon-cyclase is one of the key enzymes related to alpha-carotene metabolism in plants. A full-length cDNA of 1300 bp encoding lycopene-epsilon-cyclase (Lyce) was generated from Cara Cara navel orange, a unique navel orange containing both lycopene and beta-carotene in its pulp, with little or no alpha-carotene. The gene had a 14 bp nucleotides deletion and caused a terminal mutation. DNA sequence corresponding to the deletion region revealed that two repeats of 6 bp (AGGTGT) were flanking the region in both Cara Cara and its original variety, Washington navel oranges, but a 2 bp (AT) insertion was only found in Cara Cara which explain the alternative splicing character of the gene.</div>
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<Day>05</Day>
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<Day>15</Day>
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<Volume>27</Volume>
<Issue>11</Issue>
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<Month>Jun</Month>
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<Title>Biotechnology letters</Title>
<ISOAbbreviation>Biotechnol. Lett.</ISOAbbreviation>
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<ArticleTitle>Lycopene-epsilon-cyclase pre-mRNA is alternatively spliced in Cara Cara navel orange (Citrus sinensis Osbeck).</ArticleTitle>
<Pagination>
<MedlinePgn>779-82</MedlinePgn>
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<Abstract>
<AbstractText>Lycopene-epsilon-cyclase is one of the key enzymes related to alpha-carotene metabolism in plants. A full-length cDNA of 1300 bp encoding lycopene-epsilon-cyclase (Lyce) was generated from Cara Cara navel orange, a unique navel orange containing both lycopene and beta-carotene in its pulp, with little or no alpha-carotene. The gene had a 14 bp nucleotides deletion and caused a terminal mutation. DNA sequence corresponding to the deletion region revealed that two repeats of 6 bp (AGGTGT) were flanking the region in both Cara Cara and its original variety, Washington navel oranges, but a 2 bp (AT) insertion was only found in Cara Cara which explain the alternative splicing character of the gene.</AbstractText>
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<Language>ENG</Language>
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<Country>Netherlands</Country>
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<RegistryNumber>EC 5.5.-</RegistryNumber>
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