ライフサイエンスコーパス: prezygotic

1 Sex pheromone communication, acting as a prezygotic barrier to mating, is believed to have contri

2 that exhibit self-incompatibility (SI), this prezygotic barrier to self-fertilization must be overcom

3 osomal rearrangements, determining how often prezygotic barriers arise due to selection against hybri

4 s might lead to the evolution of postmating, prezygotic barriers between species.

5 Prezygotic barriers play a major role in the evolution o

6 nown way, be related to the establishment of prezygotic barriers to reproduction.

7 altata are self-sterile, but all plants lack prezygotic barriers to self-fertilization.

8 t the genetic and molecular basis underlying prezygotic barriers.

9 gence, floral isolation and post-pollination prezygotic barriers.

10 cs commonly drives the evolution of chemical prezygotic barriers.

11 as a model for speciation studies involving prezygotic change, our choice of marker system for detec

12 Rapid divergence in postmating-prezygotic characters suggests that selection may be res

13 rad51 nulls leads to an arrest early during prezygotic development (meiosis I).

14 ded into three distinct sequences of events: prezygotic development, postzygotic development, and exc

15 time differences result in a high degree of prezygotic genetic isolation (isolation index=0.43) betw

16 fertility with Neu5Gc-positive males, due to prezygotic incompatibilities.

17 tionary history of hybridization and fragile prezygotic isolating mechanisms.

18 Thus genetic change selected to increase prezygotic isolation also appears to result in increased

19 r parapatric speciation because it initiates prezygotic isolation and divergence.

20 reinforcement, but only if genes involved in prezygotic isolation are also sex linked.

21 Prezygotic isolation between S. eboracensis and S. vulga

22 hin D. americana may have driven postmating, prezygotic isolation between species.

23 phenotypic and genetic basis of postmating, prezygotic isolation between two closely related species

24 ent a classic example of pollinator-mediated prezygotic isolation between two sister species in sympa

25 ly isolated: Bogota and USA show very little prezygotic isolation but form sterile F1 males in one di

26 t in sperm competition theory has shown that prezygotic isolation can be affected by mechanisms that

27 When allopatric species with incomplete prezygotic isolation come into secondary contact, the ou

28 nents of postzygotic isolation, the loci for prezygotic isolation do not interact epistatically.

29 albopictus males, we predicted selection for prezygotic isolation in populations of A. aegypti sympat

30 e because of sterility of F1 hybrid progeny, prezygotic isolation is still incipient.

31 ler population sizes and additional modes of prezygotic isolation, as has been argued previously for

32 ted from its progenitors primarily by strong prezygotic isolation, including habitat divergence, flor

33 ce interspecific gene flow and contribute to prezygotic isolation, potentially leading to geographic

34 ffect on the pathway between postzygotic and prezygotic isolation.

35 of the large Allonemobius sex chromosome in prezygotic isolation.

36 cnj7 and cnj8 eliminate the third prezygotic nuclear division and the first postzygotic nu

37 nuclear chromatin prior to each of the three prezygotic nuclear divisions.

38 Comparisons suggest parallels between prezygotic nuptial gifts and exclusive postzygotic male

39 isolation is generally subsumed under either prezygotic or postmating isolation and thus has not been

40 r been tested: Organisms that quickly evolve prezygotic or postzygotic reproductive isolation should

41 e rapidly, potentially leading to postmating-prezygotic (PMPZ) reproductive isolation between divergi

42 he number of ovules that can be fertilized ('prezygotic pollen limitation').

43 Unilateral incompatibility (UI) is a prezygotic reproductive barrier in plants that prevents

44 c incompatibility (UI) is a postpollination, prezygotic reproductive barrier that prevents hybridizat

45 c sperm precedence (CSP), a postinsemination prezygotic reproductive barrier.

46 selection favoring the evolution of stronger prezygotic reproductive barriers between emerging specie

47 tifying differences in a specific postmating-prezygotic reproductive character, the insemination reac

48 ing animals with no complex mating behavior, prezygotic reproductive isolation (speciation) could res

49 Prezygotic reproductive isolation and its importance in

50 uantitative trait loci (QTL) contributing to prezygotic reproductive isolation between the sibling sp

51 uantitative trait loci (QTL) contributing to prezygotic reproductive isolation between the sibling sp

52 Reinforcement, the strengthening of prezygotic reproductive isolation by natural selection i

53 l sperm production also could play a role in prezygotic reproductive isolation in bisexual species co

54 directly on traits that may be important in prezygotic reproductive isolation, potentially fostering

55 erent ecological preferences and significant prezygotic reproductive isolation.

56 f additional factors, such as inbreeding and prezygotic selection, in addition to rank-order selectio

57 Previous work has shown that prezygotic sexual isolation and numerous differences in

58 , little is known about the genetic basis of prezygotic sexual isolation.

59 , little is known about the genetic basis of prezygotic sexual isolation.

60 MatIS is spatiotemporally restricted to the prezygotic stage of the sexual cycle and does not interf

61 Here we show that postmating-prezygotic variation among populations of cactophilic de