asexual reproduction
Origin of Asexual Reproduction in Hydra
... b) Hydra routinely produces excess cells that move toward and accumulate in the budding region. One of Hydra’s attraction to biologists is that under optimal laboratory conditions, hydra cultures expand exponentially. ...
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The optimal balance between sexual and asexual reproduction in variable environments: a systematic review
... sexual reproduction, allocation to asexual reproduction will be correspondingly reduced, and vice ...and asexual reproduction, while others have not (Thompson and Eckert ...and ...
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Transmission rates of the bacterial endosymbiont, Neorickettsia risticii, during the asexual reproduction phase of its digenean host, Plagiorchis elegans, within naturally infected lymnaeid snails
... and asexual reproductive phases of the ...involving asexual reproduction in mol- lusks (=first intermediate host) and sexual reproduction in vertebrates (=definitive host) (Figure ...
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Sponge budding is a spatiotemporal morphological patterning process: Insights from synchrotron radiation-based x-ray microtomography into the asexual reproduction of Tethya wilhelma
... Asexual reproduction processes in demosponges have been studied previously, especially budding in Tethya maza S ELENKA , 1879 by Selenka himself [40] and in Tethya lyncurium (P ALLAS , 1766) by Maas [18] ...
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The HEX1 Gene of Fusarium graminearum Is Required for Fungal Asexual Reproduction and Pathogenesis and for Efficient Viral RNA Accumulation of Fusarium graminearum Virus 1
... The accumulation of viral RNA depends on many host cellular factors. The hexagonal peroxisome (Hex1) protein is a fungal pro- tein that is highly expressed when the DK21 strain of Fusarium graminearum virus 1 (FgV1) ...
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Partial maintenance of organ specific epigenetic marks during plant asexual reproduction leads to heritable phenotypic variation
... after asexual propagation by generating clonal individuals from differentiated somatic cells through the manipulation of a zygotic transcription ...from asexual reproduction and have significant ...
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Innovative Approach of Asexual Reproduction Induction in Holothuria polii (Delle Chiaje, 1824)
... for asexual reproduction induction by ...to asexual reproduction induction, samples were exposed to chemical evisceration induction through injection of ...new asexual ...
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Structure Learning in Bayesian Networks Using Asexual Reproduction Optimization
... on asexual reproduction optimization (ARO) is proposed in this ...asexual reproduction. In ARO, a parent produces a bud through a reproduction operator; thereafter the parent and its ...
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Plant germline formation: common concepts and developmental flexibility in sexual and asexual reproduction
... sexual reproduction (see Glossary, Box 1), sperm cells fuse with both the egg and the central cell in the process of double fertilization, giving rise to the embryo and endosperm, respectively, the major ...
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The planarian P2X homolog in the regulation of asexual reproduction
... on body length; in other words, dependent on the growth of body size. The first phenotype observed in DjP2X-A(RNAi) was increased fission frequency (Fig. 3). Indeed, DjP2X-A(RNAi) animals pro- duced by feeding dsRNA had ...
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A Comparison of the Growth and Asexual Reproduction by Cryphonectria parasitica Isolates Infected with Hypoviruses CHV3 County Line, CHV1 Euro7, and CHV1 Ep713
... Despite the variation among hypovirus-containing strains, they all have the potential to arrest canker expan- sion, as noted in the callousing cankers in European and in North American orchards [2] [19] [20]. Hypoviruses ...
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Relationship of Intracellular Potassium to Asexual Reproduction in Hydra
... Since a decrease in growth rate was noted when potassium concentration was increased above that in normal culture medium Table 1, we measured intracellular potassium and the effect of ou[r] ...
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Asexual and sexual morphs of Moesziomyces revisited
... E E live epiphytically on different hosts (Boekhout 1995), but also to occur on a variety of other substrates. Due to their asexual reproduction with pullulating and division, it is possible for them to ...
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Asexual and sexual morphs of Moesziomyces revisited
... yeast asexual morphs were, for example, found to live epiphytically on different hosts (Boekhout 1995), but also to occur on a variety of other ...their asexual reproduction with pullulating and ...
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The role of the nervous system in the sexual and asexual biology of Hydra.
... Regardless of these variations, all species studied here, H. oli gactis , H. fusca, H. pseudoligactis, H. littoralis, and H. viridis, share common features. The existence of a well-defined ring of nerves in the ...
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The Genetic Control of Apomixis: Asexual Seed Formation
... been associated with hemizygosity of the associated loci e.g., Hieracium (Okada et al. 2011), Pennisetum (Akiyama et al. 2005), and Paspalum (Calderini et al. 2006). Some apomixis loci have also been associated with ...
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Upstream and Downstream Regulation of Asexual Development in Aspergillus fumigatus
... Deletion of AfbrlA completely eliminated conidiation in all conditions tested, indicating that the activation of AfbrlA ex- pression early in conidiophore development also represents a foremost and essential control ...
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Cellular Reproduction
... When tumor suppressor genes don't work properly, cells can grow out of control. – More than 50% of tumors contain a mutation in the tumor suppressor gene p53..[r] ...
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The reproduction of the lobster
... The question which presents itself is, what proportion of 'this large number of eggs must develop into sexually mature lobsters, in order to maintain the species in its existing numbers;[r] ...
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Selenium in reproduction
... Moore, MA, Wander, RC, Xia, YM, Du, SH, Butler, JA & Whanger, PD 2000 Selenium supplementation of Chinese women with habitually low selenium intake increases plasma selenium, plasma glut[r] ...
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