The fungal elicitor cryptogein is a sterol carrier protein.
Identifieur interne : 002A40 ( Main/Exploration ); précédent : 002A39; suivant : 002A41The fungal elicitor cryptogein is a sterol carrier protein.
Auteurs : V. Mikes [République tchèque] ; M L Milat ; M. Ponchet ; P. Ricci ; J P BleinSource :
- FEBS letters [ 0014-5793 ] ; 1997.
Descripteurs français
- KwdFr :
- Cholestérol (métabolisme), Cinétique (MeSH), Ergostérol (analogues et dérivés), Ergostérol (métabolisme), Liposomes (MeSH), Phytophthora (métabolisme), Protéines d'algue (MeSH), Protéines de transport (métabolisme), Protéines fongiques (composition chimique), Protéines fongiques (métabolisme), Spectrométrie de fluorescence (MeSH).
- MESH :
- analogues et dérivés : Ergostérol.
- composition chimique : Protéines fongiques.
- métabolisme : Cholestérol, Ergostérol, Phytophthora, Protéines de transport, Protéines fongiques.
- Cinétique, Liposomes, Protéines d'algue, Spectrométrie de fluorescence.
English descriptors
- KwdEn :
- MESH :
- chemical , analogs & derivatives : Ergosterol.
- chemical , chemistry : Fungal Proteins.
- chemical , metabolism : Carrier Proteins, Cholesterol, Ergosterol, Fungal Proteins.
- chemical : Algal Proteins, Liposomes.
- metabolism : Phytophthora.
- Kinetics, Spectrometry, Fluorescence.
Abstract
Cryptogein is a protein secreted by the phytopathogenic pseudo-fungus, Phytophthora cryptogea. It is a basic 10 kDa hydrophilic protein having a hydrophobic pocket and three disulfide bridges. These common features with sterol carrier proteins led us to investigate its possible sterol transfer activity using the fluorescent sterol, dehydroergosterol. The results show that cryptogein has one binding site with strong affinity for dehydroergosterol. Moreover, this protein catalyzes the transfer of sterols between phospholipidic artificial membranes. This is the first evidence for the existence of an extracellular sterol carrier protein and for a molecular activity of cryptogein. This property should contribute to an understanding of the role of cryptogein in plant-microorganism interactions.
DOI: 10.1016/s0014-5793(97)01193-9
PubMed: 9369212
Affiliations:
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Ricci</name></author><author><name sortKey="Blein, J P" sort="Blein, J P" uniqKey="Blein J" first="J P" last="Blein">J P Blein</name></author></titleStmt><publicationStmt><idno type="wicri:source">PubMed</idno><date when="1997">1997</date><idno type="RBID">pubmed:9369212</idno><idno type="pmid">9369212</idno><idno type="doi">10.1016/s0014-5793(97)01193-9</idno><idno type="wicri:Area/Main/Corpus">002A50</idno><idno type="wicri:explorRef" wicri:stream="Main" wicri:step="Corpus" wicri:corpus="PubMed">002A50</idno><idno type="wicri:Area/Main/Curation">002A50</idno><idno type="wicri:explorRef" wicri:stream="Main" wicri:step="Curation">002A50</idno><idno type="wicri:Area/Main/Exploration">002A50</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en">The fungal elicitor cryptogein is a sterol carrier protein.</title><author><name sortKey="Mikes, V" sort="Mikes, V" uniqKey="Mikes V" first="V" last="Mikes">V. 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Ricci</name></author><author><name sortKey="Blein, J P" sort="Blein, J P" uniqKey="Blein J" first="J P" last="Blein">J P Blein</name></author></analytic><series><title level="j">FEBS letters</title><idno type="ISSN">0014-5793</idno><imprint><date when="1997" type="published">1997</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Algal Proteins (MeSH)</term><term>Carrier Proteins (metabolism)</term><term>Cholesterol (metabolism)</term><term>Ergosterol (analogs & derivatives)</term><term>Ergosterol (metabolism)</term><term>Fungal Proteins (chemistry)</term><term>Fungal Proteins (metabolism)</term><term>Kinetics (MeSH)</term><term>Liposomes (MeSH)</term><term>Phytophthora (metabolism)</term><term>Spectrometry, Fluorescence (MeSH)</term></keywords><keywords scheme="KwdFr" xml:lang="fr"><term>Cholestérol (métabolisme)</term><term>Cinétique (MeSH)</term><term>Ergostérol (analogues et dérivés)</term><term>Ergostérol (métabolisme)</term><term>Liposomes (MeSH)</term><term>Phytophthora (métabolisme)</term><term>Protéines d'algue (MeSH)</term><term>Protéines de transport (métabolisme)</term><term>Protéines fongiques (composition chimique)</term><term>Protéines fongiques (métabolisme)</term><term>Spectrométrie de fluorescence (MeSH)</term></keywords><keywords scheme="MESH" type="chemical" qualifier="analogs & derivatives" xml:lang="en"><term>Ergosterol</term></keywords><keywords scheme="MESH" type="chemical" qualifier="chemistry" xml:lang="en"><term>Fungal Proteins</term></keywords><keywords scheme="MESH" type="chemical" qualifier="metabolism" xml:lang="en"><term>Carrier Proteins</term><term>Cholesterol</term><term>Ergosterol</term><term>Fungal Proteins</term></keywords><keywords scheme="MESH" type="chemical" xml:lang="en"><term>Algal Proteins</term><term>Liposomes</term></keywords><keywords scheme="MESH" qualifier="analogues et dérivés" xml:lang="fr"><term>Ergostérol</term></keywords><keywords scheme="MESH" qualifier="composition chimique" xml:lang="fr"><term>Protéines fongiques</term></keywords><keywords scheme="MESH" qualifier="metabolism" xml:lang="en"><term>Phytophthora</term></keywords><keywords scheme="MESH" qualifier="métabolisme" xml:lang="fr"><term>Cholestérol</term><term>Ergostérol</term><term>Phytophthora</term><term>Protéines de transport</term><term>Protéines fongiques</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Kinetics</term><term>Spectrometry, Fluorescence</term></keywords><keywords scheme="MESH" xml:lang="fr"><term>Cinétique</term><term>Liposomes</term><term>Protéines d'algue</term><term>Spectrométrie de fluorescence</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Cryptogein is a protein secreted by the phytopathogenic pseudo-fungus, Phytophthora cryptogea. It is a basic 10 kDa hydrophilic protein having a hydrophobic pocket and three disulfide bridges. These common features with sterol carrier proteins led us to investigate its possible sterol transfer activity using the fluorescent sterol, dehydroergosterol. The results show that cryptogein has one binding site with strong affinity for dehydroergosterol. Moreover, this protein catalyzes the transfer of sterols between phospholipidic artificial membranes. This is the first evidence for the existence of an extracellular sterol carrier protein and for a molecular activity of cryptogein. This property should contribute to an understanding of the role of cryptogein in plant-microorganism interactions.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">9369212</PMID><DateCompleted><Year>1997</Year><Month>12</Month><Day>08</Day></DateCompleted><DateRevised><Year>2019</Year><Month>06</Month><Day>21</Day></DateRevised><Article PubModel="Print"><Journal><ISSN IssnType="Print">0014-5793</ISSN><JournalIssue CitedMedium="Print"><Volume>416</Volume><Issue>2</Issue><PubDate><Year>1997</Year><Month>Oct</Month><Day>20</Day></PubDate></JournalIssue><Title>FEBS letters</Title><ISOAbbreviation>FEBS Lett</ISOAbbreviation></Journal><ArticleTitle>The fungal elicitor cryptogein is a sterol carrier protein.</ArticleTitle><Pagination><MedlinePgn>190-2</MedlinePgn></Pagination><Abstract><AbstractText>Cryptogein is a protein secreted by the phytopathogenic pseudo-fungus, Phytophthora cryptogea. It is a basic 10 kDa hydrophilic protein having a hydrophobic pocket and three disulfide bridges. These common features with sterol carrier proteins led us to investigate its possible sterol transfer activity using the fluorescent sterol, dehydroergosterol. The results show that cryptogein has one binding site with strong affinity for dehydroergosterol. Moreover, this protein catalyzes the transfer of sterols between phospholipidic artificial membranes. This is the first evidence for the existence of an extracellular sterol carrier protein and for a molecular activity of cryptogein. 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Ponchet</name><name sortKey="Ricci, P" sort="Ricci, P" uniqKey="Ricci P" first="P" last="Ricci">P. Ricci</name></noCountry><country name="République tchèque"><region name="Moravie"><name sortKey="Mikes, V" sort="Mikes, V" uniqKey="Mikes V" first="V" last="Mikes">V. Mikes</name></region></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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