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Statements

Subject Item
n2:RIV%2F61989592%3A15310%2F09%3A00010229%21RIV10-MSM-15310___
rdf:type
n14:Vysledek skos:Concept
dcterms:description
Sexually dimorphic galls are rare among gall-inducing insects and the reason for their occurrence is unknown. The pteromalid wasp Trichilogaster acaciaelongifoliae, which induces galls on Acacia longifolia, is one such species. The anatomical and physiological attributes of male and female galls are examined and compared. Histological preparations are used to characterize anatomical differences between male and female gall chambers. Concentrations of auxin and cytokinin in normal buds, galled tissues, and larvae of both sexes are measured. Tissues from female chambers induce stronger cytokinin-like bioactivity than tissues from male chambers. Female larvae have considerably higher concentrations of cytokinins than male larvae; higher auxin-like bioactivity than in normal or galled plant tissues; and almost twice concentration of auxin than male larvae. These findings suggest that differing levels of phytohormones are involved in development of sexual dimorphism of gall structures. Sexually dimorphic galls are rare among gall-inducing insects and the reason for their occurrence is unknown. The pteromalid wasp Trichilogaster acaciaelongifoliae, which induces galls on Acacia longifolia, is one such species. The anatomical and physiological attributes of male and female galls are examined and compared. Histological preparations are used to characterize anatomical differences between male and female gall chambers. Concentrations of auxin and cytokinin in normal buds, galled tissues, and larvae of both sexes are measured. Tissues from female chambers induce stronger cytokinin-like bioactivity than tissues from male chambers. Female larvae have considerably higher concentrations of cytokinins than male larvae; higher auxin-like bioactivity than in normal or galled plant tissues; and almost twice concentration of auxin than male larvae. These findings suggest that differing levels of phytohormones are involved in development of sexual dimorphism of gall structures.
dcterms:title
Sexually dimorphic gall structures correspond to differential phytohormone contents in male and female wasp larvae Sexually dimorphic gall structures correspond to differential phytohormone contents in male and female wasp larvae
skos:prefLabel
Sexually dimorphic gall structures correspond to differential phytohormone contents in male and female wasp larvae Sexually dimorphic gall structures correspond to differential phytohormone contents in male and female wasp larvae
skos:notation
RIV/61989592:15310/09:00010229!RIV10-MSM-15310___
n3:aktivita
n4:Z n4:S
n3:aktivity
S, Z(AV0Z50380511), Z(MSM6198959216)
n3:cisloPeriodika
4
n3:dodaniDat
n10:2010
n3:domaciTvurceVysledku
n15:3686957 n15:4712048
n3:druhVysledku
n13:J
n3:duvernostUdaju
n9:S
n3:entitaPredkladatele
n11:predkladatel
n3:idSjednocenehoVysledku
340991
n3:idVysledku
RIV/61989592:15310/09:00010229
n3:jazykVysledku
n18:eng
n3:klicovaSlova
Acacia longifolia; auxin; cytokinin; gall; sexual dimorphism; Trichilogaster acaciaelongifoliae
n3:klicoveSlovo
n5:gall n5:Acacia%20longifolia n5:sexual%20dimorphism n5:cytokinin n5:Trichilogaster%20acaciaelongifoliae n5:auxin
n3:kodStatuVydavatele
GB - Spojené království Velké Británie a Severního Irska
n3:kontrolniKodProRIV
[A89D100F3F72]
n3:nazevZdroje
Physiological Entomology
n3:obor
n16:EF
n3:pocetDomacichTvurcuVysledku
2
n3:pocetTvurcuVysledku
6
n3:rokUplatneniVysledku
n10:2009
n3:svazekPeriodika
34
n3:tvurceVysledku
Stirk, Wendy A. Strnad, Miroslav Van Staden, Johannes Hoffmann, John H. Novák, Ondřej Dorchin, Netta
n3:zamer
n7:MSM6198959216 n7:AV0Z50380511
s:issn
0307-6962
s:numberOfPages
11
n17:organizacniJednotka
15310