Structural and biochemical characteristics of citrus flowers associated with defence against a fungal pathogen
Identifieur interne : 000699 ( Pmc/Checkpoint ); précédent : 000698; suivant : 000700Structural and biochemical characteristics of citrus flowers associated with defence against a fungal pathogen
Auteurs : João Paulo Rodrigues Marques [Brésil] ; Lilian Amorim [Brésil] ; Geraldo José Silva-Junior [Brésil] ; Marcel Bellato Sp Sito [Brésil] ; Beatriz Appezzato-Da Gloria [Brésil]Source :
- AoB Plants [ 2041-2851 ] ; 2014.
Abstract
The constitutive characters of plants can be structural or biochemical and play an important role in their defense against pathogens. We found that Citrus flower buds smaller than 8 mm long have constitutive structural and biochemical barriers to
Url:
DOI: 10.1093/aobpla/plu090
PubMed: 25535209
PubMed Central: 4381744
Affiliations:
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<record><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en">Structural and biochemical characteristics of citrus flowers associated with defence against a fungal pathogen</title><author><name sortKey="Marques, Joao Paulo Rodrigues" sort="Marques, Joao Paulo Rodrigues" uniqKey="Marques J" first="João Paulo Rodrigues" last="Marques">João Paulo Rodrigues Marques</name><affiliation wicri:level="1"><nlm:aff id="af1"><institution>Universidade de São Paulo, Escola Superior de Agricultura “Luiz de Queiroz”</institution>,<addr-line>Cx. Postal 9, CEP 13418-900, Piracicaba, SP</addr-line>,<country>Brazil</country></nlm:aff><country xml:lang="fr">Brésil</country><wicri:regionArea># see nlm:aff country strict</wicri:regionArea></affiliation></author><author><name sortKey="Amorim, Lilian" sort="Amorim, Lilian" uniqKey="Amorim L" first="Lilian" last="Amorim">Lilian Amorim</name><affiliation wicri:level="1"><nlm:aff id="af1"><institution>Universidade de São Paulo, Escola Superior de Agricultura “Luiz de Queiroz”</institution>,<addr-line>Cx. Postal 9, CEP 13418-900, Piracicaba, SP</addr-line>,<country>Brazil</country></nlm:aff><country xml:lang="fr">Brésil</country><wicri:regionArea># see nlm:aff country strict</wicri:regionArea></affiliation></author><author><name sortKey="Silva Junior, Geraldo Jose" sort="Silva Junior, Geraldo Jose" uniqKey="Silva Junior G" first="Geraldo José" last="Silva-Junior">Geraldo José Silva-Junior</name><affiliation wicri:level="1"><nlm:aff id="af2"><institution>Fundo de Defesa da Citricultura – FUNDECITRUS</institution>,<addr-line>Av. Adhemar Pereira de Barros, 201 | CEP: 14807-040, Vila Melhado, Araraquara, SP</addr-line>,<country>Brazil</country></nlm:aff><country xml:lang="fr">Brésil</country><wicri:regionArea># see nlm:aff country strict</wicri:regionArea></affiliation></author><author><name sortKey="Sp Sito, Marcel Bellato" sort="Sp Sito, Marcel Bellato" uniqKey="Sp Sito M" first="Marcel Bellato" last="Sp Sito">Marcel Bellato Sp Sito</name><affiliation wicri:level="1"><nlm:aff id="af1"><institution>Universidade de São Paulo, Escola Superior de Agricultura “Luiz de Queiroz”</institution>,<addr-line>Cx. Postal 9, CEP 13418-900, Piracicaba, SP</addr-line>,<country>Brazil</country></nlm:aff><country xml:lang="fr">Brésil</country><wicri:regionArea># see nlm:aff country strict</wicri:regionArea></affiliation></author><author><name sortKey="Appezzato Da Gloria, Beatriz" sort="Appezzato Da Gloria, Beatriz" uniqKey="Appezzato Da Gloria B" first="Beatriz" last="Appezzato-Da Gloria">Beatriz Appezzato-Da Gloria</name><affiliation wicri:level="1"><nlm:aff id="af1"><institution>Universidade de São Paulo, Escola Superior de Agricultura “Luiz de Queiroz”</institution>,<addr-line>Cx. Postal 9, CEP 13418-900, Piracicaba, SP</addr-line>,<country>Brazil</country></nlm:aff><country xml:lang="fr">Brésil</country><wicri:regionArea># see nlm:aff country strict</wicri:regionArea></affiliation></author></titleStmt><publicationStmt><idno type="wicri:source">PMC</idno><idno type="pmid">25535209</idno><idno type="pmc">4381744</idno><idno type="url">http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4381744</idno><idno type="RBID">PMC:4381744</idno><idno type="doi">10.1093/aobpla/plu090</idno><date when="2014">2014</date><idno type="wicri:Area/Pmc/Corpus">000034</idno><idno type="wicri:Area/Pmc/Curation">000034</idno><idno type="wicri:Area/Pmc/Checkpoint">000699</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en" level="a" type="main">Structural and biochemical characteristics of citrus flowers associated with defence against a fungal pathogen</title><author><name sortKey="Marques, Joao Paulo Rodrigues" sort="Marques, Joao Paulo Rodrigues" uniqKey="Marques J" first="João Paulo Rodrigues" last="Marques">João Paulo Rodrigues Marques</name><affiliation wicri:level="1"><nlm:aff id="af1"><institution>Universidade de São Paulo, Escola Superior de Agricultura “Luiz de Queiroz”</institution>,<addr-line>Cx. Postal 9, CEP 13418-900, Piracicaba, SP</addr-line>,<country>Brazil</country></nlm:aff><country xml:lang="fr">Brésil</country><wicri:regionArea># see nlm:aff country strict</wicri:regionArea></affiliation></author><author><name sortKey="Amorim, Lilian" sort="Amorim, Lilian" uniqKey="Amorim L" first="Lilian" last="Amorim">Lilian Amorim</name><affiliation wicri:level="1"><nlm:aff id="af1"><institution>Universidade de São Paulo, Escola Superior de Agricultura “Luiz de Queiroz”</institution>,<addr-line>Cx. Postal 9, CEP 13418-900, Piracicaba, SP</addr-line>,<country>Brazil</country></nlm:aff><country xml:lang="fr">Brésil</country><wicri:regionArea># see nlm:aff country strict</wicri:regionArea></affiliation></author><author><name sortKey="Silva Junior, Geraldo Jose" sort="Silva Junior, Geraldo Jose" uniqKey="Silva Junior G" first="Geraldo José" last="Silva-Junior">Geraldo José Silva-Junior</name><affiliation wicri:level="1"><nlm:aff id="af2"><institution>Fundo de Defesa da Citricultura – FUNDECITRUS</institution>,<addr-line>Av. Adhemar Pereira de Barros, 201 | CEP: 14807-040, Vila Melhado, Araraquara, SP</addr-line>,<country>Brazil</country></nlm:aff><country xml:lang="fr">Brésil</country><wicri:regionArea># see nlm:aff country strict</wicri:regionArea></affiliation></author><author><name sortKey="Sp Sito, Marcel Bellato" sort="Sp Sito, Marcel Bellato" uniqKey="Sp Sito M" first="Marcel Bellato" last="Sp Sito">Marcel Bellato Sp Sito</name><affiliation wicri:level="1"><nlm:aff id="af1"><institution>Universidade de São Paulo, Escola Superior de Agricultura “Luiz de Queiroz”</institution>,<addr-line>Cx. Postal 9, CEP 13418-900, Piracicaba, SP</addr-line>,<country>Brazil</country></nlm:aff><country xml:lang="fr">Brésil</country><wicri:regionArea># see nlm:aff country strict</wicri:regionArea></affiliation></author><author><name sortKey="Appezzato Da Gloria, Beatriz" sort="Appezzato Da Gloria, Beatriz" uniqKey="Appezzato Da Gloria B" first="Beatriz" last="Appezzato-Da Gloria">Beatriz Appezzato-Da Gloria</name><affiliation wicri:level="1"><nlm:aff id="af1"><institution>Universidade de São Paulo, Escola Superior de Agricultura “Luiz de Queiroz”</institution>,<addr-line>Cx. Postal 9, CEP 13418-900, Piracicaba, SP</addr-line>,<country>Brazil</country></nlm:aff><country xml:lang="fr">Brésil</country><wicri:regionArea># see nlm:aff country strict</wicri:regionArea></affiliation></author></analytic><series><title level="j">AoB Plants</title><idno type="eISSN">2041-2851</idno><imprint><date when="2014">2014</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en"><p>The constitutive characters of plants can be structural or biochemical and play an important role in their defense against pathogens. We found that Citrus flower buds smaller than 8 mm long have constitutive structural and biochemical barriers to <italic>Colletotrichum</italic> spp. infection. In addition, this is the first time that osmophores are reported in <italic>Citrus sinensis</italic>. Our study shows that natural terpenes of Citrus flowers present a potential use for chemical control of <italic>Colletotrichum</italic> spp.</p></div></front><back><div1 type="bibliography"><listBibl><biblStruct><analytic><author><name sortKey="Agrios, Gn" uniqKey="Agrios G">GN Agrios</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Alissandrakis, A" uniqKey="Alissandrakis A">A Alissandrakis</name></author><author><name sortKey="Daferera, D" uniqKey="Daferera D">D Daferera</name></author><author><name sortKey="Tarantilis, Pa" uniqKey="Tarantilis P">PA Tarantilis</name></author><author><name sortKey="Polissiou, M" uniqKey="Polissiou M">M Polissiou</name></author><author><name sortKey="Harizanis, Pc" uniqKey="Harizanis P">PC Harizanis</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Attaway, Ja" uniqKey="Attaway J">JA Attaway</name></author><author><name sortKey="Pieringer, Ap" uniqKey="Pieringer A">AP 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<front><journal-meta><journal-id journal-id-type="nlm-ta">AoB Plants</journal-id><journal-id journal-id-type="iso-abbrev">AoB Plants</journal-id><journal-id journal-id-type="publisher-id">aobpla</journal-id><journal-id journal-id-type="hwp">aobpla</journal-id><journal-title-group><journal-title>AoB Plants</journal-title></journal-title-group><issn pub-type="epub">2041-2851</issn><publisher><publisher-name>Oxford University Press</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="pmid">25535209</article-id><article-id pub-id-type="pmc">4381744</article-id><article-id pub-id-type="doi">10.1093/aobpla/plu090</article-id><article-id pub-id-type="publisher-id">plu090</article-id><article-categories><subj-group subj-group-type="hwp-journal-coll"><subject>1024</subject></subj-group><subj-group subj-group-type="heading"><subject>Research Articles</subject></subj-group></article-categories><title-group><article-title>Structural and biochemical characteristics of citrus flowers associated with defence against a fungal pathogen</article-title></title-group><contrib-group><contrib contrib-type="author"><name><surname>Marques</surname><given-names>João Paulo Rodrigues</given-names></name><xref ref-type="aff" rid="af1">1</xref><xref ref-type="corresp" rid="cor1">*</xref></contrib><contrib contrib-type="author"><name><surname>Amorim</surname><given-names>Lilian</given-names></name><xref ref-type="aff" rid="af1">1</xref></contrib><contrib contrib-type="author"><name><surname>Silva-Junior</surname><given-names>Geraldo José</given-names></name><xref ref-type="aff" rid="af2">2</xref></contrib><contrib contrib-type="author"><name><surname>Spósito</surname><given-names>Marcel Bellato</given-names></name><xref ref-type="aff" rid="af1">1</xref></contrib><contrib contrib-type="author"><name><surname>Appezzato-da Gloria</surname><given-names>Beatriz</given-names></name><xref ref-type="aff" rid="af1">1</xref></contrib><aff id="af1"><label>1</label><institution>Universidade de São Paulo, Escola Superior de Agricultura “Luiz de Queiroz”</institution>,<addr-line>Cx. Postal 9, CEP 13418-900, Piracicaba, SP</addr-line>,<country>Brazil</country></aff><aff id="af2"><label>2</label><institution>Fundo de Defesa da Citricultura – FUNDECITRUS</institution>,<addr-line>Av. Adhemar Pereira de Barros, 201 | CEP: 14807-040, Vila Melhado, Araraquara, SP</addr-line>,<country>Brazil</country></aff></contrib-group><author-notes><corresp id="cor1"><label>*</label>Corresponding author's e-mail address: <email>joaopaulormarques@yahoo.com.br</email></corresp><fn fn-type="con" id="an1"><p><bold>Associate Editor:</bold> Colin M. Orians</p></fn></author-notes><pub-date pub-type="collection"><year>2015</year></pub-date><pub-date pub-type="epub"><day>22</day><month>12</month><year>2014</year></pub-date><volume>7</volume><elocation-id>plu090</elocation-id><history><date date-type="received"><day>11</day><month>7</month><year>2014</year></date><date date-type="accepted"><day>8</day><month>12</month><year>2014</year></date></history><permissions><copyright-statement>Published by Oxford University Press on behalf of the Annals of Botany Company.</copyright-statement><copyright-year>2014</copyright-year><license license-type="creative-commons" xlink:href="http://creativecommons.org/licenses/by/4.0/"><license-p>This is an Open Access article distributed under the terms of the Creative Commons Attribution License (<uri xlink:type="simple" xlink:href="http://creativecommons.org/licenses/by/4.0/">http://creativecommons.org/licenses/by/4.0/</uri>), which permits unrestricted reuse, distribution, and reproduction in any medium, provided the original work is properly cited.</license-p></license></permissions><self-uri content-type="pdf" xlink:type="simple" xlink:href="plu090.pdf"></self-uri><abstract abstract-type="precis"><p>The constitutive characters of plants can be structural or biochemical and play an important role in their defense against pathogens. We found that Citrus flower buds smaller than 8 mm long have constitutive structural and biochemical barriers to <italic>Colletotrichum</italic> spp. infection. In addition, this is the first time that osmophores are reported in <italic>Citrus sinensis</italic>. Our study shows that natural terpenes of Citrus flowers present a potential use for chemical control of <italic>Colletotrichum</italic> spp.</p></abstract><abstract><p>The constitutive characters of plants can be structural or biochemical and play an important role in their defence against pathogens. Citrus postbloom fruit drop (PFD) caused by <italic>Colletotrichum</italic> spp. is one of the most important fungal diseases of citrus. The pathogen infects the flowers, leading to premature fruit drop and reducing citrus production. However, flower buds smaller than 8 mm long are usually not infected by <italic>Colletotrichum</italic> spp. Thus, this study investigated whether there are constitutive mechanisms in flower buds related to <italic>Colletotrichum</italic> spp. infection. We studied flower buds that were 2, 3, 4, 8, 12 and 15 mm long and petals, after anthesis, of sweet orange ‘Valência’ using light and scanning electron microscopy and histochemistry. We evaluated the effect of volatile organic compounds (VOCs) in flowers (R-limonene and linalool) on the <italic>in vitro</italic> growth of <italic>Colletotrichum acutatum</italic>. We found that the arrangement of the epidermal papillae in the petal primordia, the occurrence of prismatic crystals and the distribution of oil glands are the main differences between buds smaller than 8 mm and buds 8–15 mm long. Osmophores at the tips of petals produced and accumulated phenols, terpenes and lipophilic compounds. Flower buds smaller than 8 mm long have constitutive structural and biochemical barriers to <italic>Colletotrichum</italic> spp. infection. In addition, this is the first time that osmophores have been reported in citrus. Our study shows that natural terpenes of <italic>Citrus</italic> flowers inhibit the fungal growth <italic>in vitro</italic>, highlighting the potential use of terpenes for the chemical control of PFD in citrus.</p></abstract><kwd-group><kwd>Antimicrobial activity</kwd><kwd>calcium oxalate crystals</kwd><kwd>citrus essential oils</kwd><kwd><italic>Citrus sinensis</italic></kwd><kwd><italic>Colletotrichum acutatum</italic></kwd><kwd>osmophores</kwd><kwd>plant anatomy</kwd><kwd>volatile organic compounds</kwd></kwd-group><counts><page-count count="10"></page-count></counts></article-meta></front></pmc><affiliations><list><country><li>Brésil</li></country></list><tree><country name="Brésil"><noRegion><name sortKey="Marques, Joao Paulo Rodrigues" sort="Marques, Joao Paulo Rodrigues" uniqKey="Marques J" first="João Paulo Rodrigues" last="Marques">João Paulo Rodrigues Marques</name></noRegion><name sortKey="Amorim, Lilian" sort="Amorim, Lilian" uniqKey="Amorim L" first="Lilian" last="Amorim">Lilian Amorim</name><name sortKey="Appezzato Da Gloria, Beatriz" sort="Appezzato Da Gloria, Beatriz" uniqKey="Appezzato Da Gloria B" first="Beatriz" last="Appezzato-Da Gloria">Beatriz Appezzato-Da Gloria</name><name sortKey="Silva Junior, Geraldo Jose" sort="Silva Junior, Geraldo Jose" uniqKey="Silva Junior G" first="Geraldo José" last="Silva-Junior">Geraldo José Silva-Junior</name><name sortKey="Sp Sito, Marcel Bellato" sort="Sp Sito, Marcel Bellato" uniqKey="Sp Sito M" first="Marcel Bellato" last="Sp Sito">Marcel Bellato Sp Sito</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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