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Statements

Subject Item
n2:RIV%2F00216208%3A11310%2F14%3A10283974%21RIV15-MSM-11310___
rdf:type
skos:Concept n19:Vysledek
rdfs:seeAlso
http://dx.doi.org/10.3732/ajb.1300262
dcterms:description
Premise of the study: Genome duplication and arbuscular mycorrhizal (AM) symbiosis are ubiquitous in angiosperms. While the significance of each of these phenomena separately has been intensively studied, their interaction remains to be understood. Methods: Three diploid and three hexaploid populations of Aster amellus (Asteraceae) were characterized in terms of the soil conditions in situ and mycorrhizal root colonization. In a greenhouse experiment, the effects of ploidy level, substrate conditions, and AM fungi on plant performance were then separated by growing noninoculated plants or plants inoculated with AM fungi in substrates native to either the diploids or hexaploids. Key results: The diploids inhabited nutritionally richer sites but did not differ from hexaploid plants in the level of mycorrhizal root colonization in situ. In the experiment, hexaploids generally performed better than the diploids. This intercytotype growth difference was enhanced by soil fertility, with hexaploids benefiting more from nutritionally richer substrate than the diploids. AM inoculation was crucial for plant growth and phosphorus uptake. The interaction between ploidy level and AM inoculation significantly influenced only dry mass of roots, phosphorus concentrations in shoot biomass, and the length of the extraradical mycelium in the nonsterile substrates. Conclusions: Our results support the idea that polyploidy can affect the mycorrhizal growth response of host plants. Nevertheless, the effects of the interaction between ploidy and inoculation were weaker than the main effects of these factors. Premise of the study: Genome duplication and arbuscular mycorrhizal (AM) symbiosis are ubiquitous in angiosperms. While the significance of each of these phenomena separately has been intensively studied, their interaction remains to be understood. Methods: Three diploid and three hexaploid populations of Aster amellus (Asteraceae) were characterized in terms of the soil conditions in situ and mycorrhizal root colonization. In a greenhouse experiment, the effects of ploidy level, substrate conditions, and AM fungi on plant performance were then separated by growing noninoculated plants or plants inoculated with AM fungi in substrates native to either the diploids or hexaploids. Key results: The diploids inhabited nutritionally richer sites but did not differ from hexaploid plants in the level of mycorrhizal root colonization in situ. In the experiment, hexaploids generally performed better than the diploids. This intercytotype growth difference was enhanced by soil fertility, with hexaploids benefiting more from nutritionally richer substrate than the diploids. AM inoculation was crucial for plant growth and phosphorus uptake. The interaction between ploidy level and AM inoculation significantly influenced only dry mass of roots, phosphorus concentrations in shoot biomass, and the length of the extraradical mycelium in the nonsterile substrates. Conclusions: Our results support the idea that polyploidy can affect the mycorrhizal growth response of host plants. Nevertheless, the effects of the interaction between ploidy and inoculation were weaker than the main effects of these factors.
dcterms:title
INTRASPECIFIC PLOIDY VARIATION: A HIDDEN, MINOR PLAYER IN PLANT-SOIL-MYCORRHIZAL FUNGI INTERACTIONS INTRASPECIFIC PLOIDY VARIATION: A HIDDEN, MINOR PLAYER IN PLANT-SOIL-MYCORRHIZAL FUNGI INTERACTIONS
skos:prefLabel
INTRASPECIFIC PLOIDY VARIATION: A HIDDEN, MINOR PLAYER IN PLANT-SOIL-MYCORRHIZAL FUNGI INTERACTIONS INTRASPECIFIC PLOIDY VARIATION: A HIDDEN, MINOR PLAYER IN PLANT-SOIL-MYCORRHIZAL FUNGI INTERACTIONS
skos:notation
RIV/00216208:11310/14:10283974!RIV15-MSM-11310___
n3:aktivita
n4:P n4:I
n3:aktivity
I, P(GA206/06/0598), P(GAP504/10/1486)
n3:cisloPeriodika
1
n3:dodaniDat
n18:2015
n3:domaciTvurceVysledku
n15:5719380 n15:3399060
n3:druhVysledku
n6:J
n3:duvernostUdaju
n16:S
n3:entitaPredkladatele
n11:predkladatel
n3:idSjednocenehoVysledku
22606
n3:idVysledku
RIV/00216208:11310/14:10283974
n3:jazykVysledku
n12:eng
n3:klicovaSlova
polyploidy; phosphorus uptake; mycorrhizal growth response; mycorrhizal colonization; genome multiplication; Asteraceae; Aster amellus; arbuscular mycorrhizal symbiosis
n3:klicoveSlovo
n8:genome%20multiplication n8:mycorrhizal%20colonization n8:mycorrhizal%20growth%20response n8:polyploidy n8:Asteraceae n8:Aster%20amellus n8:phosphorus%20uptake n8:arbuscular%20mycorrhizal%20symbiosis
n3:kodStatuVydavatele
US - Spojené státy americké
n3:kontrolniKodProRIV
[AFE21D39AAC1]
n3:nazevZdroje
American Journal of Botany
n3:obor
n17:EF
n3:pocetDomacichTvurcuVysledku
2
n3:pocetTvurcuVysledku
5
n3:projekt
n14:GA206%2F06%2F0598 n14:GAP504%2F10%2F1486
n3:rokUplatneniVysledku
n18:2014
n3:svazekPeriodika
101
n3:tvurceVysledku
Münzbergová, Zuzana Rydlová, Jana Pánková, Hana Sudová, Radka Suda, Jan
n3:wos
000340451100003
s:issn
0002-9122
s:numberOfPages
8
n13:doi
10.3732/ajb.1300262
n10:organizacniJednotka
11310