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Effect of methyl farnesoate on the change of the reproduction mode in Moina macrocopa (Cladocera) / E. N. Volkova, E. S. Zadereev // Doklady Biochemistry and Biophysics. - 2012. - Vol. 447, Is. 1. - P282-285, DOI 10.1134/S1607672912050158 . - ISSN 1607-6729
Кл.слова (ненормированные):
farnesoic acid methyl ester -- unsaturated fatty acid -- animal -- article -- Cladocera -- drug effect -- female -- parthenogenesis -- physiology -- reproduction -- Animals -- Cladocera -- Fatty Acids, Unsaturated -- Female -- Parthenogenesis -- Reproduction

Scopus
Держатели документа:
Siberian Federal University, Svobodnyi pr. 79, Krasnoyarsk, 660041, Russian Federation
Institute of Biophysics, Siberian Branch, Russian Academy of Sciences, Akademgorodok, Krasnoyarsk, 660036, Russian Federation : 660036, Красноярск, Академгородок, д. 50, стр. 50

Доп.точки доступа:
Volkova, E.N.; Zadereev, E.S.

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The induction of diapause in Moina by species-specific chemical cues / E. Zadereev, T. Lopatina // Aquatic Ecology. - 2007. - Vol. 41, Is. 2. - P255-261, DOI 10.1007/s10452-006-9062-2 . - ISSN 1386-2588
Кл.слова (ненормированные):
Chemical interaction -- Cladocera -- Diapausing eggs production -- chemical composition -- chemical cue -- coexistence -- conspecific -- crustacean -- detection method -- diapause -- ecological approach -- egg production -- environmental factor -- gametogenesis -- growth rate -- laboratory method -- neonate -- parthenogenesis -- zooplankton -- Cladocera -- Congridae -- Daphnia -- Daphnia magna -- Moina -- Moina brachiata -- Moina macrocopa
Аннотация: The ability to change the reproduction mode and produce diapausing eggs, which is prevalent in many zooplankton species, significantly impacts on the evolution and ecology of aquatic communities. The production of diapausing eggs is controlled by multiple effects of biotic and abiotic factors, including infochemicals. We have investigated the effects of chemicals exuded by conspecifics and ecologically close competing congers, Moina brachiata and M. macrocopa, which coexist in the same water body, and by larger Cladocera species (Daphnia magna) on the change of reproduction mode, specific growth rate and fecundity of M. brachiata and M. macrocopa females. The production of gametogenetic eggs in both species was detected only in waters from crowded cultures of conspecifics. The water from crowded cultures of conspecifics reduced the specific growth rate of the juvenile females of both species that later switched to gametogenesis. While it either did not affect (in M. macrocopa) or even increase (in M. brachiata) the specific growth rate of the juvenile females that later reproduced by parthenogenesis. Females of M. macrocopa released significantly fewer neonates in the water from crowded cultures of conspecifics than in all other treatments, while the fecundity of M. brachiata females was the same in all treatments. To understand the phenomenon of diapause induction under the effect of chemical cues in zooplankton, a link between laboratory tests and ecological research should be established, and the chemical composition of the signals should be determined. В© 2006 Springer Science+Business Media B.V.

Scopus
Держатели документа:
Institute of Biophysics SB RAS, Akademgorodok, Krasnoyarsk 660036, Russian Federation
Krasnoyarsk State University, Svobodnii, 79, Krasnoyarsk 660041, Russian Federation : 660036, Красноярск, Академгородок, д. 50, стр. 50

Доп.точки доступа:
Zadereev, E.; Lopatina, T.

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Maternal effects, conspecific chemical cues, and switching from parthenogenesis to gametogenesis in the cladoceran Moina macrocopa / Y. S. Zadereev // Aquatic Ecology. - 2003. - Vol. 37, Is. 3. - P251-255, DOI 10.1023/A:1025850417717 . - ISSN 1386-2588
Кл.слова (ненормированные):
Adaptation -- Chemical signals -- Cladocera -- Gametogenesis induction -- Maternal control -- chemical cue -- gametogenesis -- maternal effect -- parthenogenesis -- reproductive strategy -- Animalia -- Cladocera -- Invertebrata -- Moina -- Moina macrocopa
Аннотация: The change in reproductive mode from parthenogenesis to gametogenesis in Cladocera is controlled by multiple environmental cues. Maternal effects are involved in the control of reproductive switching. In this study, we estimated the readiness of Moina macrocopa females to change reproduction mode under the effect of conspecific chemicals on maternal and offspring generations. The results demonstrated that information about the chemical environment was not transmitted between generations (none of the females produced diapausing eggs in the control medium irrespective of their mothers' environment). Differences in maternal energetic investments were not significant, hence the maternal environment did not affect the fecundity. However, tested animals adapted to the effect of the diapause inducing factor. When offspring of mothers cultured in crowded water were also cultured in crowded water (the constant effect of conspecific chemicals), they switched less readily to gametogenesis than offsprings of mothers cultured in fresh medium.

Scopus
Держатели документа:
Institute of Biophysics SB RAS, Akademgorodok, 660036, Krasnoyarsk, Russian Federation : 660036, Красноярск, Академгородок, д. 50, стр. 50

Доп.точки доступа:
Zadereev, Y.S.

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Density dependent regulation of the reproduction cycle of Moina macrocopa (Cladocera) [Text] / Y. S. Zadereev, V. G. Gubanov ; ed.: JCV Klein, CV Klein, // BIODIVERSITY CRISIS AND CRUSTACEA. Ser. CRUSTACEAN ISSUES : A A BALKEMA PUBLISHERS, 2000. - Vol. 12: 4th International Crustacean Congress (JUL 20-24, 1998, AMSTERDAM, NETHERLANDS). - P535-541. - Cited References: 19 . - ISBN 0168-6356. - ISBN 90-5410-478-3

РУБ Fisheries
Рубрики:
DAPHNIA-PULEX
ZOOPLANKTON
MAGNA
Аннотация: The allelopathic effect of population density on gametogenesis induction of Moina macrocopa (Crustacea: Cladocera) was investigated at varying food concentration, photoperiod, and temperature. The presence of the non-trophic effect of population density on gametogenesis induction was demonstrated. The experiments with single females have shown that if the photoperiod, temperature, and food concentration are favorable for parthenogenesis, the crowding water has the effect of stimulating females into changing the reproduction mode. This effect was enhanced by using a higher density of the population to achieve crowding. The change of reproduction mode occurs in the experiments with populations of M. macrocopa with the achievement of food availability favorable for the parthenogenesis of single females. Chemical interactions between animals are the most obvious explanation for the obtained results.

Держатели документа:
Inst Biophys, Krasnoyarsk, Russia
ИБФ СО РАН : 660036, Красноярск, Академгородок, д. 50, стр. 50

Доп.точки доступа:
Zadereev, Y.S.; Gubanov, V.G.; Klein, JCV \ed.\; Klein,, CV \ed.\

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Maternal effects, conspecific chemical cues, and switching from parthenogenesis to gametogenesis in the cladoceran Moina macrocopa [Text] / Y. S. Zadereev // Aquat. Ecol. - 2003. - Vol. 37, Is. 3. - P. 251-255, DOI 10.1023/A:1025850417717. - Cited References: 19 . - ISSN 1386-2588

РУБ Ecology + Limnology + Marine & Freshwater Biology
Рубрики:
POPULATION-DENSITY
   DAPHNIA-MAGNA
   CRUSTACEA
   REPRODUCTION
   DIAPAUSE
Кл.слова (ненормированные):
adaptation -- Cladocera -- chemical signals -- gametogenesis induction -- maternal control
Аннотация: The change in reproductive mode from parthenogenesis to gametogenesis in Cladocera is controlled by multiple environmental cues. Maternal effects are involved in the control of reproductive switching. In this study, we estimated the readiness of Moina macrocopa females to change reproduction mode under the effect of conspecific chemicals on maternal and offspring generations. The results demonstrated that information about the chemical environment was not transmitted between generations (none of the females produced diapausing eggs in the control medium irrespective of their mothers' environment). Differences in maternal energetic investments were not significant, hence the maternal environment did not affect the fecundity. However, tested animals adapted to the effect of the diapause inducing factor. When offspring of mothers cultured in crowded water were also cultured in crowded water (the constant effect of conspecific chemicals), they switched less readily to gametogenesis than offsprings of mothers cultured in fresh medium.

WOS
Держатели документа:
RAS, SB, Inst Biophys, Krasnoyarsk 660036, Russia
ИБФ СО РАН : 660036, Красноярск, Академгородок, д. 50, стр. 50

Доп.точки доступа:
Zadereev, Y.S.

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