Citrus somatic allotetraploid hybrids exhibit a differential reduction of leaf sesquiterpenoid biosynthesis compared with their parents
Identifieur interne : 000173 ( France/Analysis ); précédent : 000172; suivant : 000174Citrus somatic allotetraploid hybrids exhibit a differential reduction of leaf sesquiterpenoid biosynthesis compared with their parents
Auteurs : Anne-Laure Gancel [France] ; Patrick Ollitrault [France] ; Yann Froelicher [France] ; Félix Tomi [France] ; Camille Jacquemond [France] ; François Luro [France] ; Jean-Marc Brillouet [France]Source :
- Flavour and Fragrance Journal [ 0882-5734 ] ; 2005-11.
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Abstract
Leaves of 13 interspecific and intergeneric citrus somatic allotetraploid hybrids were analysed and compared with those of their respective parents (lime, lemons, citron, orange, kumquat, poncirus and mandarin) with regards to their sesquiterpenoid contents (µg[sol ]g dry weight). The hybrids do not fully retain their parental traits. Sesquiterpenoid production is much reduced (by ∼65–90%) in hybrids compared with the sum of their parents. The peculiar behaviours of some compounds were described. Statistical analyses were conducted on a qualitative (the presence[sol ]absence of each compound in parents and hybrids) and quantitative (the recovery of each compound in hybrids expressed as a percentage of the sum of its concentration in their parents) basis. Mandarin exerts a strong dominance over its derived hybrids by greatly lowering the production of most compounds, while the expression of parental genomes was more balanced in hybrids having grapefruit or sweet orange as a parent. This decrease in the ability to synthesize sesquiterpenoids could be due to both the tetraploid nature of the hybrids and the dominance of one or other parental genome. Copyright © 2005 John Wiley & Sons, Ltd.
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DOI: 10.1002/ffj.1512
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J.</title><idno type="ISSN">0882-5734</idno><idno type="eISSN">1099-1026</idno><imprint><publisher>John Wiley & Sons, Ltd.</publisher><pubPlace>Chichester, UK</pubPlace><date type="published" when="2005-11">2005-11</date><biblScope unit="volume">20</biblScope><biblScope unit="issue">6</biblScope><biblScope unit="page" from="626">626</biblScope><biblScope unit="page" to="632">632</biblScope></imprint><idno type="ISSN">0882-5734</idno></series><idno type="istex">419674F60C543D915A3DBE46681F4FF2BEA683B3</idno><idno type="DOI">10.1002/ffj.1512</idno><idno type="ArticleID">FFJ1512</idno></biblStruct></sourceDesc><seriesStmt><idno type="ISSN">0882-5734</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>allotetraploid hybrids</term><term>citrus</term><term>inheritance</term><term>leaf</term><term>sesquiterpenoids</term></keywords></textClass><langUsage><language ident="en">en</language></langUsage></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Leaves of 13 interspecific and intergeneric citrus somatic allotetraploid hybrids were analysed and compared with those of their respective parents (lime, lemons, citron, orange, kumquat, poncirus and mandarin) with regards to their sesquiterpenoid contents (µg[sol ]g dry weight). The hybrids do not fully retain their parental traits. Sesquiterpenoid production is much reduced (by ∼65–90%) in hybrids compared with the sum of their parents. The peculiar behaviours of some compounds were described. Statistical analyses were conducted on a qualitative (the presence[sol ]absence of each compound in parents and hybrids) and quantitative (the recovery of each compound in hybrids expressed as a percentage of the sum of its concentration in their parents) basis. Mandarin exerts a strong dominance over its derived hybrids by greatly lowering the production of most compounds, while the expression of parental genomes was more balanced in hybrids having grapefruit or sweet orange as a parent. This decrease in the ability to synthesize sesquiterpenoids could be due to both the tetraploid nature of the hybrids and the dominance of one or other parental genome. Copyright © 2005 John Wiley & Sons, Ltd.</div></front></TEI><affiliations><list><country><li>France</li></country><region><li>Languedoc-Roussillon</li><li>Occitanie (région administrative)</li></region><settlement><li>Montpellier</li></settlement></list><tree><country name="France"><region name="Occitanie (région administrative)"><name sortKey="Gancel, Anne Aure" sort="Gancel, Anne Aure" uniqKey="Gancel A" first="Anne-Laure" last="Gancel">Anne-Laure Gancel</name></region><name sortKey="Brillouet, Jean Arc" sort="Brillouet, Jean Arc" uniqKey="Brillouet J" first="Jean-Marc" last="Brillouet">Jean-Marc Brillouet</name><name sortKey="Froelicher, Yann" sort="Froelicher, Yann" uniqKey="Froelicher Y" first="Yann" last="Froelicher">Yann Froelicher</name><name sortKey="Jacquemond, Camille" sort="Jacquemond, Camille" uniqKey="Jacquemond C" first="Camille" last="Jacquemond">Camille Jacquemond</name><name sortKey="Luro, Francois" sort="Luro, Francois" uniqKey="Luro F" first="François" last="Luro">François Luro</name><name sortKey="Ollitrault, Patrick" sort="Ollitrault, Patrick" uniqKey="Ollitrault P" first="Patrick" last="Ollitrault">Patrick Ollitrault</name><name sortKey="Tomi, Felix" sort="Tomi, Felix" uniqKey="Tomi F" first="Félix" last="Tomi">Félix Tomi</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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