Compared responses of poplar cuttings and in vitro raised shoots to short-term chilling treatments.
Identifieur interne : 004824 ( Main/Exploration ); précédent : 004823; suivant : 004825Compared responses of poplar cuttings and in vitro raised shoots to short-term chilling treatments.
Auteurs : J F Hausman ; D. Evers ; H. Thiellement [Suisse] ; L. Jouve [Suisse]Source :
- Plant cell reports [ 1432-203X ] ; 2000.
Abstract
In woody plants, chilling stress occurs during the early spring growth and can have important economic consequences. The aim of this study was to compare the reliability of two different experimental systems, 3-month-old softwood cuttings and in vitro-grown shoots, to study chilling effects in a poplar clone (Populus tremula×P. tremuloides cv. Muhs1). Different parameters were recorded: lignin content, sucrose concentration and protein and fresh weight variation, during a 2-week treatment at 10 °C. Two families of polypeptides of high molecular weight (110 and 116 kDa) were shown to accumulate in response to chilling in both cuttings and microshoots. For some of the parameters studied, i.e. appearance of some groups of polypeptides and reduction of fresh weight gain, both in vitro and ex vitro systems were suitable and produced similar results. In contrast, for some other observations, i.e. on sucrose concentration and lignin content, the systems led to different conclusions. While sucrose and lignin contents were shown to increase in cuttings submitted to chilling, no variation in lignin and only a small temporary peak of sucrose could be observed in microshoots kept under chilling. These parameters seem not to be suitable for studying the response of poplar in the in vitro system in such a short-term study.
DOI: 10.1007/s002990000229
PubMed: 30754838
Affiliations:
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Jouve</name><affiliation wicri:level="4"><nlm:affiliation>Laboratoire de Biochimie et Physiologie Végétales, Université de Genève, 3 place de l'Université, 1211 Genève 4, Switzerland, , , , , , CH.</nlm:affiliation><orgName type="university">Université de Genève</orgName><country>Suisse</country><placeName><settlement type="city">Genève</settlement><region nuts="3" type="region">Canton de Genève</region></placeName></affiliation></author></analytic><series><title level="j">Plant cell reports</title><idno type="eISSN">1432-203X</idno><imprint><date when="2000" type="published">2000</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en"> In woody plants, chilling stress occurs during the early spring growth and can have important economic consequences. The aim of this study was to compare the reliability of two different experimental systems, 3-month-old softwood cuttings and in vitro-grown shoots, to study chilling effects in a poplar clone (Populus tremula×P. tremuloides cv. Muhs1). Different parameters were recorded: lignin content, sucrose concentration and protein and fresh weight variation, during a 2-week treatment at 10 °C. Two families of polypeptides of high molecular weight (110 and 116 kDa) were shown to accumulate in response to chilling in both cuttings and microshoots. For some of the parameters studied, i.e. appearance of some groups of polypeptides and reduction of fresh weight gain, both in vitro and ex vitro systems were suitable and produced similar results. In contrast, for some other observations, i.e. on sucrose concentration and lignin content, the systems led to different conclusions. While sucrose and lignin contents were shown to increase in cuttings submitted to chilling, no variation in lignin and only a small temporary peak of sucrose could be observed in microshoots kept under chilling. These parameters seem not to be suitable for studying the response of poplar in the in vitro system in such a short-term study.</div></front></TEI><pubmed><MedlineCitation Status="PubMed-not-MEDLINE" Owner="NLM"><PMID Version="1">30754838</PMID><DateRevised><Year>2020</Year><Month>09</Month><Day>30</Day></DateRevised><Article PubModel="Print"><Journal><ISSN IssnType="Electronic">1432-203X</ISSN><JournalIssue CitedMedium="Internet"><Volume>19</Volume><Issue>10</Issue><PubDate><Year>2000</Year><Month>Oct</Month></PubDate></JournalIssue><Title>Plant cell reports</Title><ISOAbbreviation>Plant Cell Rep</ISOAbbreviation></Journal><ArticleTitle>Compared responses of poplar cuttings and in vitro raised shoots to short-term chilling treatments.</ArticleTitle><Pagination><MedlinePgn>954-960</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1007/s002990000229</ELocationID><Abstract><AbstractText> In woody plants, chilling stress occurs during the early spring growth and can have important economic consequences. The aim of this study was to compare the reliability of two different experimental systems, 3-month-old softwood cuttings and in vitro-grown shoots, to study chilling effects in a poplar clone (Populus tremula×P. tremuloides cv. Muhs1). Different parameters were recorded: lignin content, sucrose concentration and protein and fresh weight variation, during a 2-week treatment at 10 °C. Two families of polypeptides of high molecular weight (110 and 116 kDa) were shown to accumulate in response to chilling in both cuttings and microshoots. For some of the parameters studied, i.e. appearance of some groups of polypeptides and reduction of fresh weight gain, both in vitro and ex vitro systems were suitable and produced similar results. In contrast, for some other observations, i.e. on sucrose concentration and lignin content, the systems led to different conclusions. While sucrose and lignin contents were shown to increase in cuttings submitted to chilling, no variation in lignin and only a small temporary peak of sucrose could be observed in microshoots kept under chilling. These parameters seem not to be suitable for studying the response of poplar in the in vitro system in such a short-term study.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Hausman</LastName><ForeName>J F</ForeName><Initials>JF</Initials><AffiliationInfo><Affiliation>CRP-Gabriel Lippmann, CREBS, 162 A, Avenue de la Faïencerie, 1511 Luxembourg e-mail: hausman@crpgl.lu Fax: +352-470261389, , , , , , LU.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Evers</LastName><ForeName>D</ForeName><Initials>D</Initials><AffiliationInfo><Affiliation>CRP-Gabriel Lippmann, CREBS, 162 A, Avenue de la Faïencerie, 1511 Luxembourg e-mail: hausman@crpgl.lu Fax: +352-470261389, , , , , , LU.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Thiellement</LastName><ForeName>H</ForeName><Initials>H</Initials><AffiliationInfo><Affiliation>Laboratoire de Biochimie et Physiologie Végétales, Université de Genève, 3 place de l'Université, 1211 Genève 4, Switzerland, , , , , , CH.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Jouve</LastName><ForeName>L</ForeName><Initials>L</Initials><AffiliationInfo><Affiliation>Laboratoire de Biochimie et Physiologie Végétales, Université de Genève, 3 place de l'Université, 1211 Genève 4, Switzerland, , , , , , CH.</Affiliation></AffiliationInfo></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType></PublicationTypeList></Article><MedlineJournalInfo><Country>Germany</Country><MedlineTA>Plant Cell Rep</MedlineTA><NlmUniqueID>9880970</NlmUniqueID><ISSNLinking>0721-7714</ISSNLinking></MedlineJournalInfo><KeywordList Owner="NOTNLM"><Keyword MajorTopicYN="N">Chilling</Keyword><Keyword MajorTopicYN="N">Key words Poplar</Keyword><Keyword MajorTopicYN="N">Lignin</Keyword><Keyword MajorTopicYN="N">Protein</Keyword><Keyword MajorTopicYN="N">Sucrose</Keyword></KeywordList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="entrez"><Year>2019</Year><Month>2</Month><Day>14</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>2000</Year><Month>10</Month><Day>1</Day><Hour>0</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2000</Year><Month>10</Month><Day>1</Day><Hour>0</Hour><Minute>1</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">30754838</ArticleId><ArticleId IdType="doi">10.1007/s002990000229</ArticleId><ArticleId IdType="pii">10.1007/s002990000229</ArticleId></ArticleIdList></PubmedData></pubmed><affiliations><list><country><li>Suisse</li></country><region><li>Canton de Genève</li></region><settlement><li>Genève</li></settlement><orgName><li>Université de Genève</li></orgName></list><tree><noCountry><name sortKey="Evers, D" sort="Evers, D" uniqKey="Evers D" first="D" last="Evers">D. Evers</name><name sortKey="Hausman, J F" sort="Hausman, J F" uniqKey="Hausman J" first="J F" last="Hausman">J F Hausman</name></noCountry><country name="Suisse"><region name="Canton de Genève"><name sortKey="Thiellement, H" sort="Thiellement, H" uniqKey="Thiellement H" first="H" last="Thiellement">H. Thiellement</name></region><name sortKey="Jouve, L" sort="Jouve, L" uniqKey="Jouve L" first="L" last="Jouve">L. Jouve</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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