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Genetic analysis and population survey of sex pheromone variation in the adzuki bean borer moth, Ostrinia scapulalis
Biological journal of the Linnean Society, 2005-01, Vol.84 (1), p.143-160
Takanashi, T
Huang, Y
Takahasi, K.R
Hoshizaki, S
Tatsuki, S
Ishikawa, Y
2005
Volltextzugriff (PDF)
Details
Autor(en) / Beteiligte
Takanashi, T
Huang, Y
Takahasi, K.R
Hoshizaki, S
Tatsuki, S
Ishikawa, Y
Titel
Genetic analysis and population survey of sex pheromone variation in the adzuki bean borer moth, Ostrinia scapulalis
Ist Teil von
Biological journal of the Linnean Society, 2005-01, Vol.84 (1), p.143-160
Ort / Verlag
Oxford, UK: Blackwell Science Ltd
Erscheinungsjahr
2005
Quelle
Wiley-Blackwell Journals
Beschreibungen/Notizen
Sexual communication in many moths occurs between females emitting a sex pheromone and males responding to it. Females of Ostrinia scapulalis (Lepidoptera: Crambidae) show a large variation in blend ratios of the two sex pheromone components (E)‐ and (Z)‐11‐tetradecenyl acetates. E type females produce a pheromone with a high percentage of (E)‐11‐tetradecenyl acetate, whereas Z type females produce the opposite blend. We established laboratory cultures of E and Z types. Females of the F1 generation produced an intermediate blend (I type) in both reciprocal crosses of the E and Z cultures. Results of further crossing experiments suggested that the three pheromone types are primarily controlled by a single autosomal locus with two alleles. Also, analyses of the variation in pheromone blend within F1, backcross and F2 families suggested that other genetic factors modify the pheromone blend of the I and Z types. Investigation of the pheromone variation in natural populations at 14 localities in Japan has shown that the E type was predominant in northern Japan, whereas the pheromone was highly polymorphic in central Japan. At a locality in central Japan, the pheromone was constantly polymorphic for several years, and the pheromone type frequencies did not deviate from Hardy–Weinberg expectations, providing no evidence of selection or assortative mating between the pheromone types. Analyses of pheromone variation within families derived from feral females indicated that matings between a pair with different genotypes for pheromone production was occurring in natural populations. Overall, this study showed that the genetic basis of the pheromone variation in O. scapulalis is very similar to that in its sibling species Ostrinia nubilalis although the state of pheromone polymorphisms in natural populations appears to differ between the two species. © 2005 The Linnean Society of London, Biological Journal of the Linnean Society, 2005, 84, 143–160.
Sprache
Englisch
Identifikatoren
ISSN: 0024-4066
eISSN: 1095-8312
DOI: 10.1111/j.1095-8312.2005.00421.x
Titel-ID: cdi_pascalfrancis_primary_16515935
Format
–
Schlagworte
alleles
,
assortative mating
,
Biological and medical sciences
,
Biological evolution
,
chemical composition
,
females
,
Fundamental and applied biological sciences. Psychology
,
genetic variation
,
Genetics of eukaryotes. Biological and molecular evolution
,
geographical variation
,
hybrids
,
insect communication
,
insect pests
,
Lepidoptera
,
loci
,
major gene
,
Ostrinia
,
Ostrinia nubilalis
,
sex pheromone communication
,
sex pheromones
,
within-population polymorphism
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