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The path from beta-Carotene to Carlactone, a Strigolactone-Like Plant Hormone

Strigolactones, phytohormones with diverse signaling activities, have a common structure consisting of two lactones connected by an enol-ether bridge. Strigolactones derive from carotenoids via a pathway involving the carotenoid cleavage dioxygenases 7 and 8 (CCD7 and CCD8) and the iron-binding prot... Full description

Journal Title: Science 2012, Vol.335(6074), pp.1348-1351
Main Author: Alder, J.
Other Authors: Jamil, M. , Marzorati, M. , Bruno, F. , Bigler, J. , Bouwmeester, H.J. , Beyer, P. , Al-Babili, S.
Format: Electronic Article Electronic Article
Language: English
Subjects:
ID: ISSN: ; ISSN: 0036-8075
Link: http://library.wur.nl/WebQuery/wurpubs/430546
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title: The path from beta-Carotene to Carlactone, a Strigolactone-Like Plant Hormone
format: Article
creator:
  • Alder, J.
  • Jamil, M.
  • Marzorati, M.
  • Bruno, F.
  • Bigler, J.
  • Bouwmeester, H.J.
  • Beyer, P.
  • Al-Babili, S.
subjects:
  • Cleavage Oxygenases
  • Biosynthesis
  • Germination
  • Striga
  • Inhibition
  • Metabolism
  • Orobanche
  • Catalyze
  • Enzymes
ispartof: Science, 2012, Vol.335(6074), pp.1348-1351
description: Strigolactones, phytohormones with diverse signaling activities, have a common structure consisting of two lactones connected by an enol-ether bridge. Strigolactones derive from carotenoids via a pathway involving the carotenoid cleavage dioxygenases 7 and 8 (CCD7 and CCD8) and the iron-binding protein D27. We show that D27 is a ß-carotene isomerase that converts all-trans-ß-carotene into 9-cis-ß-carotene, which is cleaved by CCD7 into a 9-cis–configured aldehyde. CCD8 incorporates three oxygens into 9-cis-ß-apo-10'-carotenal and performs molecular rearrangement, linking carotenoids with strigolactones and producing carlactone, a compound with strigolactone-like biological activities. Knowledge of the structure of carlactone will be crucial for understanding the biology of strigolactones and may have applications in combating parasitic weeds.
language: eng
source:
identifier: ISSN: ; ISSN: 0036-8075
fulltext: no_fulltext
issn:
  • 0036-8075
url: Link


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titleThe path from beta-Carotene to Carlactone, a Strigolactone-Like Plant Hormone
creatorAlder, J. ; Jamil, M. ; Marzorati, M. ; Bruno, F. ; Bigler, J. ; Bouwmeester, H.J. ; Beyer, P. ; Al-Babili, S.
ispartofScience, 2012, Vol.335(6074), pp.1348-1351
identifierISSN: ; ISSN: 0036-8075
subjectCleavage Oxygenases ; Biosynthesis ; Germination ; Striga ; Inhibition ; Metabolism ; Orobanche ; Catalyze ; Enzymes
descriptionStrigolactones, phytohormones with diverse signaling activities, have a common structure consisting of two lactones connected by an enol-ether bridge. Strigolactones derive from carotenoids via a pathway involving the carotenoid cleavage dioxygenases 7 and 8 (CCD7 and CCD8) and the iron-binding protein D27. We show that D27 is a ß-carotene isomerase that converts all-trans-ß-carotene into 9-cis-ß-carotene, which is cleaved by CCD7 into a 9-cis–configured aldehyde. CCD8 incorporates three oxygens into 9-cis-ß-apo-10'-carotenal and performs molecular rearrangement, linking carotenoids with strigolactones and producing carlactone, a compound with strigolactone-like biological activities. Knowledge of the structure of carlactone will be crucial for understanding the biology of strigolactones and may have applications in combating parasitic weeds.
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titleThe path from beta-Carotene to Carlactone, a Strigolactone-Like Plant Hormone
descriptionStrigolactones, phytohormones with diverse signaling activities, have a common structure consisting of two lactones connected by an enol-ether bridge. Strigolactones derive from carotenoids via a pathway involving the carotenoid cleavage dioxygenases 7 and 8 (CCD7 and CCD8) and the iron-binding protein D27. We show that D27 is a ß-carotene isomerase that converts all-trans-ß-carotene into 9-cis-ß-carotene, which is cleaved by CCD7 into a 9-cis–configured aldehyde. CCD8 incorporates three oxygens into 9-cis-ß-apo-10'-carotenal and performs molecular rearrangement, linking carotenoids with strigolactones and producing carlactone, a compound with strigolactone-like biological activities. Knowledge of the structure of carlactone will be crucial for understanding the biology of strigolactones and may have applications in combating parasitic weeds.
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titleThe path from beta-Carotene to Carlactone, a Strigolactone-Like Plant Hormone
authorAlder, J. ; Jamil, M. ; Marzorati, M. ; Bruno, F. ; Bigler, J. ; Bouwmeester, H.J. ; Beyer, P. ; Al-Babili, S.
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