ライフサイエンスコーパス: ejaculate

1 by the cDNAs from the pooled and individual ejaculate.

2 ructed from spermatozoal mRNAs from a single ejaculate.

3 oitally following neutralization by the male ejaculate.

4 creasing the latency to mount, intromit, and ejaculate.

5 strategically reduce investment in their own ejaculate.

6 mating signals that can be inhibited by male ejaculate.

7 senescence later than females receiving less ejaculate.

8 rnity advantage despite investing less in an ejaculate.

9 initiate sexual behavior and the latency to ejaculate.

10 but four ESTs identified from the individual ejaculate.

11 ses gradually to a peak when spermatozoa are ejaculated.

12 which find an egg from the millions of cells ejaculated.

13 r direct imaging of amyloid fibrils in human ejaculates.

14 e opportunity for exploitation of rival male ejaculates.

15 ther than from fertilization bias among male ejaculates.

16 o spectacular adaptations in males and their ejaculates.

17 ering of the female tract by previous males' ejaculates.

18 le ejaculates falls below that of favourable ejaculates.

19 egically allocate nonsperm components of the ejaculate [3, 4], such as seminal fluid proteins (Sfps).

20 ve success , a cost that is mediated by male ejaculate accessory gland proteins (Acps) .

21 If this fails, females differentially eject ejaculates according to male status in the absence of an

22 riation among intact fertile sperm within an ejaculate affects offspring fitness.

23 ly tailor the composition of proteins in the ejaculate, allowing a male to take advantage of the fecu

24 ulation, cVA is transferred to the female in ejaculate along with sperm and peptides that decrease he

25 n drive rapid diversification of interacting ejaculate and female reproductive tract traits that medi

26 ts highest concentration in the normal human ejaculate and is associated with the progression of meta

27 ity results from a reduction of sperm in the ejaculate and not from sperm dysfunction.

28 sition of the non-gametic components of male ejaculates and their interactions with female reproducti

29 alize internal sphincter closure, passage of ejaculate, and significant changes in SV volumes were de

30 The cDNAs from the testes, pooled ejaculate, and single ejaculate hybridised to 7157, 3281

31 Protein components of the Drosophila male ejaculate are critical modulators of reproductive succes

32 nimals, intact fertile sperm within a single ejaculate are equivalent at siring viable offspring.

33 es per reproductive event, and the competing ejaculates are of two types, favourable (having high via

34 Male ejaculates are often structurally complex, and this comp

35 that IN, they exhibited far fewer IN before ejaculating, as well as ejaculating much sooner after th

36 eases again towards zero as the unfavourable ejaculates become disastrous (i.e. as their progeny viab

37 a different type has an effect on intra-male ejaculate behaviour, which also depends critically on th

38 Males in this species produce large ejaculates called spermatophores composed of an outer en

39 Ejaculated CatSperz-null sperm cells retrieved from the

40 n of multiple zonadhesin isoforms in freshly ejaculated cells.

41 Yet, apart from sperm number, relevant ejaculate characteristics and sperm-sperm interactions a

42 Our results suggest that ejaculate components compensate for the costs of elevate

43 tionary conflict of the sexes and aging when ejaculate components elevate female reproductive rates a

44 Ejaculate components that are beneficial to polyandrous

45 een investment in weaponry and investment in ejaculate composition.

46 zoospermia, refers to the condition in which ejaculate contains mostly sperm flagella without heads.

47 Each ejaculate contains trillions of exosomes, membrane-enclo

48 operate sperm selection against unfavourable ejaculates (cryptic female choice).

49 The ejaculate effects were consistent in inter- and intra-po

50 assess the number of competitors, and their ejaculate effort is shaped by the average number <N> of

51 riate process involving ejaculate-female and ejaculate-ejaculate interactions, as well as complex spe

52 ESS total ejaculate expenditure (the product m(*)s(*)) increases i

53 the viability of offspring from unfavourable ejaculates falls below that of favourable ejaculates.

54 erives from a multivariate process involving ejaculate-female and ejaculate-ejaculate interactions, a

55 Physiological evidence of ejaculate-female coadaptation, paired with a promiscuous

56 sperm, and that non-sperm components of the ejaculate frequently act to ameliorate these hostile con

57 oximate mechanism of female mate choice when ejaculates from multiple males overlap within the tract.

58 show that D. melanogaster females eject male ejaculates from the uterus 1-6 hr after mating with a st

59 arisen because male traits that protect the ejaculate have positive pleiotropic effects and/or becau

60 membranes as well as the acrosomal matrix of ejaculated human sperm.

61 This centriolar localization persisted in ejaculated human spermatozoa, while centriolar TSKS dimi

62 rom the testes, pooled ejaculate, and single ejaculate hybridised to 7157, 3281, and 2780 ESTs, respe

63 ually insert their penis into the female and ejaculate in her reproductive tract; but in some species

64 udies have documented return of sperm to the ejaculate in up to 56% of men with nonobstructive azoosp

65 econd to mate) randomly: the number of sperm ejaculated in the favoured role is greater than that in

66 hance their paternity: by outcompeting rival ejaculates in sperm competition, and by reducing the pro

67 argue that empiricists should look for equal ejaculates in the two roles when studying random role si

68 ently bypassing the female genital tract and ejaculating into their blood system.

69 In tsetse, male ejaculate is assembled into a capsule-like spermatophore

70 ve stimulation, which propels sperm into the ejaculate, is mediated through P2X receptors.

71 and DM females received the same quantity of ejaculate, it was possible to eliminate material benefit

72 ales of the type occupying the favoured role ejaculate less than males of the type occupying the disf

73 s demonstrate sophisticated protein-specific ejaculate manipulation.

74 ings illustrate how structural complexity of ejaculates may allow functionally and/or spatially assoc

75 hange significantly following the receipt of ejaculate molecules during mating.

76 encies while intact and after castration and ejaculated more frequently after castration.

77 under constraints on their mate preferences ejaculated more sperm than males mating without constrai

78 far fewer IN before ejaculating, as well as ejaculating much sooner after the first IN, thus indicat

79 male reproductive tract (FRT), HIV-1 in male ejaculate must overcome numerous innate and adaptive imm

80 )), for the first time described in the same ejaculate of an infertile, phenotypically normal male pa

81 erm are removed from storage by the incoming ejaculate of the copulating male, and sperm incapacitati

82 d that a rival male can rapidly displace the ejaculate of the guarding male [1, 2].

83 articularly in polyandrous species where the ejaculates of different males compete for fertilisation.

84 When a female is sexually promiscuous, the ejaculates of different males compete for the fertilizat

85 dition to generating competition between the ejaculates of different males, multiple mating may allow

86 often determined by competition between the ejaculates of different males.

87 t males monopolize access to females and the ejaculates of multiple males compete for fertilization.

88 ional properties of the structurally complex ejaculates of Pieris rapae butterflies.

89 MGCs, spermatids, and spermatocytes) in the ejaculates of the PRRSV-inoculated boars and that these

90 rly in birds where the collection of natural ejaculates only recently became possible.

91 For ICSI, whether sperm were ejaculated or surgically extracted was also considered.

92 jects receiving the low dose of oxymetholone ejaculated, oxymetholone generally failed to stimulate e

93 species, males can make rapid adjustments to ejaculate performance in response to sperm competition r

94 Variation in ejaculate performance traits generally is thought to be

95 The pooled ejaculate population contained all but four ESTs identif

96 s predicted to be influenced by variation in ejaculate quality and interactions among competing sperm

97 ompetition risk drives plastic adjustment of ejaculate quality, that seminal fluid harbours the mecha

98 22- to 24-kDa triplet of proteins in washed ejaculated rabbit spermatozoa and is unaffected by capac

99 It also is unclear whether beneficial ejaculates release females from reproductive trade-offs

100 siological differences between these species ejaculated semen that correlate with their sociosexual b

101 a comprehensive set of proteins expressed in ejaculated semen.

102 Protein components of the Drosophila male ejaculate, several of which evolve rapidly, are critical

103 nd armaments) and postcopulatory (testes and ejaculates) sexual traits due to the costs associated wi

104 the mating frequency, females receiving more ejaculate show increased reproductive rates and enter re

105 ern tend to involve facultative increases in ejaculate size by informed males.

106 In two men with ejaculate sperm counts of 40 000-100 000 per mL, we dete

107 ,000 person-years); and following ICSI using ejaculated sperm and fresh embryos (RR, 1.47 [95% CI, 1.

108 Ejaculated sperm from one recipient transplanted with al

109 logy, capacitation, and motility and reduced ejaculated sperm number (2.4 +/- 0.5 versus 3.7 +/- 0.4

110 om lentivirus-marked SSCs was evident in the ejaculated sperm of 9/12 adult and 3/5 prepubertal recip

111 carried out prior to any intervention using ejaculated sperm or prior to any surgical procedure to t

112 y detected in rhesus testis (although not in ejaculated sperm).

113 Ejaculate spermatozoa can now be used as a non-invasive

114 The presence of mRNAs in human ejaculate spermatozoa is well established, yet little is

115 of the efferent ducts and strong staining of ejaculated spermatozoa.

116 lasmic droplet and is undetectable in mature ejaculated spermatozoa.

117 testes, cDNAs from a pool of nine individual ejaculate spermatozoal mRNAs, and cDNAs constructed from

118 significance, the molecular underpinnings of ejaculate structural complexity have received little emp

119 of females in the population that favour his ejaculate (the 'random-roles' model); different males ar

120 ulatory processes, illustrate that different ejaculate traits are critical at different biologically

121 rate postcopulatory sexual selection on male ejaculate traits.

122 n investigation of tetracycline's effects on ejaculate traits.

123 renders post-copulatory sexual selection on ejaculates unlikely to treat male-male competition and f

124 Our findings clearly link within-ejaculate variation in sperm phenotype to offspring fitn

125 erm concentration, morphology, motility, and ejaculate volume were assessed.

126 l desire and reduced nocturnal erections and ejaculate volume, all of which improve with testosterone

127 le with oligospermia or azoospermia with low ejaculate volume, normal secondary sex characteristics,

128 (range, 24-52 years) who had documented low ejaculate volumes and azoospermia.

129 e sperm when unwashed swim-up sperm from the ejaculate were stained, indicating that some SAMP14 is l

130 ds altruism, and as haploid germ cells of an ejaculate will have genotypic similarity of 50%, it is p

131 (CTFl), and 10 days later were killed after ejaculating with females.

132 Brains from male rats, killed 1 h after ejaculating with receptive females, were examined for Fo

133 c area and four days later were killed after ejaculating with receptive females.