{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,15]],"date-time":"2026-10-15T20:40:22Z","timestamp":1792096822846,"version":"4.4.0"},"reference-count":58,"publisher":"The Company of Biologists","issue":"8","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2011,4,15]]},"abstract":"<jats:p>Strigolactones are a novel class of plant hormones controlling shoot branching in seed plants. They also signal host root proximity during symbiotic and parasitic interactions. To gain a better understanding of the origin of strigolactone functions, we characterised a moss mutant strongly affected in strigolactone biosynthesis following deletion of the CAROTENOID CLEAVAGE DIOXYGENASE 8 (CCD8) gene. Here, we show that wild-type Physcomitrella patens produces and releases strigolactones into the medium where they control branching of protonemal filaments and colony extension. We further show that Ppccd8 mutant colonies fail to sense the proximity of neighbouring colonies, which in wild-type plants causes the arrest of colony extension. The mutant phenotype is rescued when grown in the proximity of wild-type colonies, by exogenous supply of synthetic strigolactones or by ectopic expression of seed plant CCD8. Thus, our data demonstrate for the first time that Bryophytes (P. patens) produce strigolactones that act as signalling factors controlling developmental and potentially ecophysiological processes. We propose that in P. patens, strigolactones are reminiscent of quorum-sensing molecules used by bacteria to communicate with one another.<\/jats:p>","DOI":"10.1242\/dev.058495","type":"journal-article","created":{"date-parts":[[2011,3,2]],"date-time":"2011-03-02T20:46:06Z","timestamp":1299098766000},"page":"1531-1539","source":"Crossref","is-referenced-by-count":251,"title":["Strigolactones regulate protonema branching and act as a quorum sensing-like signal in the moss\n                    <i>Physcomitrella patens<\/i>"],"prefix":"10.1242","volume":"138","author":[{"given":"H\u00e9l\u00e8ne","family":"Proust","sequence":"first","affiliation":[{"name":"Institut Jean-Pierre Bourgin, UMR1318 INRA-AgroParisTech, Centre de Versailles-Grignon, 78026 Versailles Cedex, France"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Beate","family":"Hoffmann","sequence":"additional","affiliation":[{"name":"Institut Jean-Pierre Bourgin, UMR1318 INRA-AgroParisTech, Centre de Versailles-Grignon, 78026 Versailles Cedex, France"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Xiaonan","family":"Xie","sequence":"additional","affiliation":[{"name":"Weed Science Center, Utsunomiya University, Utsunomiya 321-8505, Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kaori","family":"Yoneyama","sequence":"additional","affiliation":[{"name":"Weed Science Center, Utsunomiya University, Utsunomiya 321-8505, Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Didier G.","family":"Schaefer","sequence":"additional","affiliation":[{"name":"Institute of Biology, Laboratory of Cell and Molecular Biology, University of Neuchatel, CH-2009 Neuchatel, Switzerland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Koichi","family":"Yoneyama","sequence":"additional","affiliation":[{"name":"Weed Science Center, Utsunomiya University, Utsunomiya 321-8505, Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Fabien","family":"Nogu\u00e9","sequence":"additional","affiliation":[{"name":"Institut Jean-Pierre Bourgin, UMR1318 INRA-AgroParisTech, Centre de Versailles-Grignon, 78026 Versailles Cedex, France"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Catherine","family":"Rameau","sequence":"additional","affiliation":[{"name":"Institut Jean-Pierre Bourgin, UMR1318 INRA-AgroParisTech, Centre de Versailles-Grignon, 78026 Versailles Cedex, France"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"237","reference":[{"key":"2021042607175910100_R1","doi-asserted-by":"crossref","first-page":"925","DOI":"10.1093\/aob\/mcl063","article-title":"Strigolactones: chemical signals for fungal symbionts and parasitic weeds in plant roots","volume":"97","author":"Akiyama","year":"2006","journal-title":"Ann. 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