Mycorrhiza Symbiosis Increases the Surface for Sunlight Capture in Medicago truncatula for Better Photosynthetic Production

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Fältnamn	Indikatorer	Metadata
000		04062naa a2200457 4500
001		oai:gup.ub.gu.se/208742
003		SwePub
008		240528s2015 \| \|\|\|\|\|\|\|\|\|\|\|000 \|\|eng\|
024	7	a https://gup.ub.gu.se/publication/2087422 URI
024	7	a https://doi.org/10.1371/journal.pone.01153142 DOI
040		a (SwePub)gu
041		a eng
042		9 SwePub
072	7	a ref2 swepub-contenttype
072	7	a art2 swepub-publicationtype
100	1	a Adolfsson, Lisa,d 1984u Gothenburg University,Göteborgs universitet,Institutionen för biologi och miljövetenskap,Department of Biological and Environmental Sciences4 aut
245	1 0	a Mycorrhiza Symbiosis Increases the Surface for Sunlight Capture in Medicago truncatula for Better Photosynthetic Production
264		c 2015-01-23
264	1	b Public Library of Science (PLoS),c 2015
520		a Arbuscular mycorrhizal (AM) fungi play a prominent role in plant nutrition by supplying mineral nutrients, particularly inorganic phosphate (Pi), and also constitute an important carbon sink. AM stimulates plant growth and development, but the underlying mechanisms are not well understood. In this study, Medicago truncatula plants were grown with Rhizophagus irregularis BEG141 inoculum (AM), mock inoculum (control) or with Pi fertilization. We hypothesized that AM stimulates plant growth through either modifications of leaf anatomy or photosynthetic activity per leaf area. We investigated whether these effects are shared with Pi fertilization, and also assessed the relationship between levels of AM colonization and these effects. We found that increased Pi supply by either mycorrhization or fertilization led to improved shoot growth associated with increased nitrogen uptake and carbon assimilation. Both mycorrhized and Pi-fertilized plants had more and longer branches with larger and thicker leaves than the control plants, resulting in an increased photosynthetically active area. AM-specific effects were earlier appearance of the first growth axes and increased number of chloroplasts per cell section, since they were not induced by Pi fertilization. Photosynthetic activity per leaf area remained the same regardless of type of treatment. In conclusion, the increase in growth of mycorrhized and Pi-fertilized Medicago truncatula plants is linked to an increase in the surface for sunlight capture, hence increasing their photosynthetic production, rather than to an increase in the photosynthetic activity per leaf area.
650	7	a NATURVETENSKAPx Biologi0 (SwePub)1062 hsv//swe
650	7	a NATURAL SCIENCESx Biological Sciences0 (SwePub)1062 hsv//eng
653		a Arbuscular mycorrhizal symbiosis
653		a Chloroplasts
653		a Medicago truncatula
653		a Plant environment interaction
653		a Phosphorus
653		a Photosynthesis
653		a Leaf anatomy
653		a Plant growth and development.
700	1	a Solymosi, Katalin4 aut
700	1	a Andersson, Mats X.,d 1977u Gothenburg University,Göteborgs universitet,Institutionen för biologi och miljövetenskap,Department of Biological and Environmental Sciences4 aut0 (Swepub:gu)xamatb
700	1	a Keresztes, Aron4 aut
700	1	a Uddling, Johan,d 1972u Gothenburg University,Göteborgs universitet,Institutionen för biologi och miljövetenskap,Department of Biological and Environmental Sciences4 aut0 (Swepub:gu)xuddjo
700	1	a Schoefs, Benoit4 aut
700	1	a Spetea, Cornelia,d 1968u Gothenburg University,Göteborgs universitet,Institutionen för biologi och miljövetenskap,Department of Biological and Environmental Sciences4 aut0 (Swepub:gu)xspeco
710	2	a Göteborgs universitetb Institutionen för biologi och miljövetenskap4 org
773	0	t PLoS ONEd : Public Library of Science (PLoS)g 10:1q 10:1x 1932-6203
856	4	u https://journals.plos.org/plosone/article/file?id=10.1371/journal.pone.0115314&type=printable
856	4 8	u https://gup.ub.gu.se/publication/208742
856	4 8	u https://doi.org/10.1371/journal.pone.0115314

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Av författaren/redakt...: Adolfsson, Lisa, ...; Solymosi, Katali ...; Andersson, Mats ...; Keresztes, Aron; Uddling, Johan, ...; Schoefs, Benoit; visa fler...; Spetea, Cornelia ...; visa färre...

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