Sökning: id:"swepub:oai:DiVA.org:liu-91434" > Genetic changes in ...
Fältnamn | Indikatorer | Metadata |
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000 | 03969naa a2200469 4500 | |
001 | oai:DiVA.org:liu-91434 | |
003 | SwePub | |
008 | 130424s2013 | |||||||||||000 ||eng| | |
024 | 7 | a https://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-914342 URI |
024 | 7 | a https://doi.org/10.1093/aob/mct0552 DOI |
040 | a (SwePub)liu | |
041 | a engb eng | |
042 | 9 SwePub | |
072 | 7 | a ref2 swepub-contenttype |
072 | 7 | a art2 swepub-publicationtype |
100 | 1 | a Quilot-Turion, Bénédicteu University of Oulu, Finland4 aut |
245 | 1 0 | a Genetic changes in flowering and morphology in response to adaptation to a high-latitude environment in Arabidopsis lyrata |
264 | c 2013-03-21 | |
264 | 1 | b Oxford University Press,c 2013 |
338 | a print2 rdacarrier | |
520 | a Background and Aims The adaptive plastic reactions of plant populations to changing climatic factors, such as winter temperatures and photoperiod, have changed during range shifts after the last glaciation. Timing of flowering is an adaptive trait regulated by environmental cues. Its genetics has been intensively studied in annual plants, but in perennials it is currently not well characterized. This study examined the genetic basis of differentiation in flowering time, morphology, and their plastic responses to vernalization in two locally adapted populations of the perennial Arabidopsis lyrata: (1) to determine whether the two populations differ in their vernalization responses for flowering phenology and morphology; and (2) to determine the genomic areas governing differentiation and vernalization responses.Methods Two A. lyrata populations, from central Europe and Scandinavia, were grown in growth-chamber conditions with and without cold treatment. A QTL analysis was performed to find genomic regions that interact with vernalization.Key Results The population from central Europe flowered more rapidly and invested more in inflorescence growth than the population from alpine Scandinavia, especially after vernalization. The alpine population had consistently a low number of inflorescences and few flowers, suggesting strong constraints due to a short growing season, but instead had longer leaves and higher leaf rosettes. QTL mapping in the F2 population revealed genomic regions governing differentiation in flowering time and morphology and, in some cases, the allelic effects from the two populations on a trait were influenced by vernalization (QTL × vernalization interactions).Conclusions The results indicate that many potentially adaptive genetic changes have occurred during colonization; the two populations have diverged in their plastic responses to vernalization in traits closely connected to fitness through changes in many genomic areas. | |
650 | 7 | a NATURVETENSKAPx Biologix Genetik0 (SwePub)106092 hsv//swe |
650 | 7 | a NATURAL SCIENCESx Biological Sciencesx Genetics0 (SwePub)106092 hsv//eng |
653 | a Arabidopsis lyrata | |
653 | a Brassicaceae | |
653 | a growth chamber | |
653 | a local adaptation | |
653 | a phenotypic plasticity | |
653 | a QTL | |
653 | a vernalization | |
653 | a flowering | |
653 | a morphology | |
700 | 1 | a Leppälä, Johannau University of Oulu, Finland4 aut |
700 | 1 | a Leinonen, Päivi H.u University of Oulu, Finland4 aut |
700 | 1 | a Waldmann, Patrik,d 1967-u University of Oulu, Finland,Patrik Waldmann4 aut0 (Swepub:liu)patwa07 |
700 | 1 | a Savolainen, Outiu University of Oulu, Finland4 aut |
700 | 1 | a Kuittinen, Helmiu University of Oulu, Finland4 aut |
710 | 2 | a University of Oulu, Finlandb Patrik Waldmann4 org |
773 | 0 | t Annals of Botanyd : Oxford University Pressg 111:5, s. 957-968q 111:5<957-968x 0305-7364x 1095-8290 |
856 | 4 | u https://academic.oup.com/aob/article-pdf/111/5/957/17008260/mct055.pdf |
856 | 4 8 | u https://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-91434 |
856 | 4 8 | u https://doi.org/10.1093/aob/mct055 |
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