NSTL国家科技图书文献中心

1. Ejaculate Adjustment in Response to Sperm Competition Risk in Humans NSTL国家科技图书文献中心

Delecce, Tara | Vance, Gavin S.... - 《Archives of sexual behavior》 - 2025,54(1) - 277～287 - 共11页

摘要： whether sperm* competition risk predicts ejaculate* | sperm competition risk (e.g., perceptions of partner | within the literature on human sperm* competition and* | , adjust their ejaculate quality in accordance with sperm | competition risk. Men who spend less time with their regular

关键词： Human sperm competition | Ejaculate adjustment | Ejaculate quality | Evolutionary psychology

2. Adaptive Significance of Long Mating With Repeated Intromissions in Zygogramma bicolorata NSTL国家科技图书文献中心

Pal, Rabi Sankar | Bhowmick, Anirban ... - 《Ethology》 - 2025,131(2) - 共14页

摘要： that sperm* transfer and fertility did not exhibit a* | Long matings are abundant in insects despite | the range of the costs involved. The causes and | consequences of the evolution of long mating remain an | interesting problem for behavioural ecologists. We studied

关键词： competitive ability | copulatory courtship | mate guarding | sexual selection | sperm competition | sperm transfer

3. When all males cheat post-copulatory competition limits worthless gift-giving frequency in spiders NSTL国家科技图书文献中心

Pavon-Pelaez, Camila | Villar, Mauro Martin...... - 《Evolutionary Ecology》 - 2025,39(1) - 1～21 - 共21页

摘要： of sexual selection (i.e., mate competition | between prey availability, post-copulatory competition | high post-copulatory competition; whereas large males | worthless gifts only under low post-copulatory competition | . To further understand how mate competition* affects*

关键词： Alternative mating tactics | Deceptive nuptial gifts | Male size | Food resources | Sperm competition

4. Good sperm producers are more likely to participate in incubation in the Asian barn swallow Hirundo rustica gutturalis NSTL国家科技图书文献中心

Hasegawa, Masaru | Arai, Emi ... - 《Behavioural processes》 - 2025,226 - 105173～105173 - 共6页

摘要：Sperm competition favors increased investment | in post-copulatory sexual traits (e.g., long sperm | relationship between total sperm* length (i.e., a post* | increased with the total sperm* length. Given that long* | sperm would secure within-pair paternity, incubation

关键词： Hirundo rustica | Incubation | Paternal care behavior | Post-copulatory sexual selection | Sperm size

5. In flagranti-functional morphology of copulatory organs of odontopygid millipedes (Diplopoda: Juliformia: Spirostreptida) NSTL国家科技图书文献中心

Brandt, Justus | Reip, Hans S.... - 《Zoological Journal of the Linnean Society》 - 2025,203(3) - 共13页

摘要： mechanism, pleiotropy, sperm* competition, internal* | The copulatory organs of many animal groups | exhibit a high degree of morphological complexity and | diversity that is thought to have evolved on the basis of | different selective mechanisms, including lock-and-key

关键词： gonopod | vulva | female choice | key-and-lock | genital evolution

6. Fertilizable Rat Sperm Is Generated in Mice Using Blastocyst Complementation: An Efficient Method for Producing Rats With ES Cell Traits NSTL国家科技图书文献中心

Rie Natsume | Kosuke Murata ... - 《Genes to cells》 - 2025,30(3) - e70024～e70024 - 共10页

摘要：-derived sperm* produced in mice with the blastocyst* | ability to produce rat-derived sperm. Histological | fertilization potential of the chimeric mouse sperm, we | performed intracytoplasmic sperm* injection (ICSI) to rat* | concerns regarding host cell contribution, as all sperm

关键词： ES cell; ICSI; blastocyst complementation; mouse; rat.

7. Reproductive Interference Alters Species Coexistence in Nematodes due to Asymmetric Sperm‐Induced Harm NSTL国家科技图书文献中心

Rebecca Schalkowski | Katja R. Kasimatis ... - 《Ecology letters》 - 2025,28(1) - n/a～n/a - 共12页

摘要：, parasitism and competition, one species may interfere with | to be superior in resource competition. Mate | migration of C. macrosperma's giant sperm* cells. We* | ABSTRACT Species coexistence is shaped by a | range of biotic and abiotic factors. Beyond predation

关键词： assortative mating | Caenorhabditis | coexistence | interspecific interactions | pre‐zygotic reproductive isolation | reproductive interference | sexual exclusion | species boundaries | sperm gigantism

8. Sperm competition favours intermediate sperm size in a hermaphrodite NSTL国家科技图书文献中心

Santhosh, Santhosh | Ebert, Dieter ... - 《Journal of evolutionary biology》 - 2024,37(7) - 829～838 - 共10页

摘要：Sperm competition is a potent mechanism of | in response to sperm* competition through its effect* | . Theoretical work predicts that sperm* competition may select* | sperm size under sperm competition. | animals. Especially sperm size has been argued to evolve

关键词： sexual selection | sperm competition | sperm size | hermaphrodites | stabilizing selection

9. The transfer of male cuticular hydrocarbons provides a reliable cue of the risk and intensity of sperm competition in decorated crickets NSTL国家科技图书文献中心

House, Clarissa M. | Duffield, Kristin ... - 《Evolution: International Journal of Organic Evolution》 - 2024,78(9) - 1606～1618 - 共13页

摘要： intensity of sperm* competition and adjust their ejaculate* | and intensity of sperm* competition. In agreement* | increased sperm number with the risk of sperm competition | sperm competition. Similarly, as the risk of sperm | with the intensity of sperm* competition. Our results*

关键词： sperm competition | risk | intensity | sperm number | spermatophylax | cuticular hydrocarbons | NUPTIAL FOOD GIFTS | GRYLLODES-SUPPLICANS ORTHOPTERA | FEMALE MATING STATUS | SEXUAL SELECTION...

10. Wild Verreaux's Sifaka ( Propithecus verreauxi ) Respond Flexibly to Sperm Competition in Their Social Environment NSTL国家科技图书文献中心

Bueno, Gabrielle L. | Lewis, Rebecca J. - 《International journal of primatology》 - 2024,45(5) - 1064～1082 - 共19页

摘要： sperm competition when females mate with multiple | mate competition influences investment in sperm | test the effect of within-group sperm* competition on* | of within-group sperm* competition, and (2) within* | sperm competition.

摘要： whether sperm* competition risk predicts ejaculate* | sperm competition risk (e.g., perceptions of partner | within the literature on human sperm* competition and* | , adjust their ejaculate quality in accordance with sperm | competition risk. Men who spend less time with their regular

关键词： Human sperm competition | Ejaculate adjustment | Ejaculate quality | Evolutionary psychology

摘要： that sperm* transfer and fertility did not exhibit a* | Long matings are abundant in insects despite | the range of the costs involved. The causes and | consequences of the evolution of long mating remain an | interesting problem for behavioural ecologists. We studied

关键词： competitive ability | copulatory courtship | mate guarding | sexual selection | sperm competition | sperm transfer

摘要： of sexual selection (i.e., mate competition | between prey availability, post-copulatory competition | high post-copulatory competition; whereas large males | worthless gifts only under low post-copulatory competition | . To further understand how mate competition* affects*

关键词： Alternative mating tactics | Deceptive nuptial gifts | Male size | Food resources | Sperm competition

摘要：Sperm competition favors increased investment | in post-copulatory sexual traits (e.g., long sperm | relationship between total sperm* length (i.e., a post* | increased with the total sperm* length. Given that long* | sperm would secure within-pair paternity, incubation

关键词： Hirundo rustica | Incubation | Paternal care behavior | Post-copulatory sexual selection | Sperm size

摘要： mechanism, pleiotropy, sperm* competition, internal* | The copulatory organs of many animal groups | exhibit a high degree of morphological complexity and | diversity that is thought to have evolved on the basis of | different selective mechanisms, including lock-and-key

关键词： gonopod | vulva | female choice | key-and-lock | genital evolution

摘要：-derived sperm* produced in mice with the blastocyst* | ability to produce rat-derived sperm. Histological | fertilization potential of the chimeric mouse sperm, we | performed intracytoplasmic sperm* injection (ICSI) to rat* | concerns regarding host cell contribution, as all sperm

关键词： ES cell; ICSI; blastocyst complementation; mouse; rat.

摘要：, parasitism and competition, one species may interfere with | to be superior in resource competition. Mate | migration of C. macrosperma's giant sperm* cells. We* | ABSTRACT Species coexistence is shaped by a | range of biotic and abiotic factors. Beyond predation

关键词： assortative mating | Caenorhabditis | coexistence | interspecific interactions | pre‐zygotic reproductive isolation | reproductive interference | sexual exclusion | species boundaries | sperm gigantism

摘要：Sperm competition is a potent mechanism of | in response to sperm* competition through its effect* | . Theoretical work predicts that sperm* competition may select* | sperm size under sperm competition. | animals. Especially sperm size has been argued to evolve

关键词： sexual selection | sperm competition | sperm size | hermaphrodites | stabilizing selection

摘要： intensity of sperm* competition and adjust their ejaculate* | and intensity of sperm* competition. In agreement* | increased sperm number with the risk of sperm competition | sperm competition. Similarly, as the risk of sperm | with the intensity of sperm* competition. Our results*

关键词： sperm competition | risk | intensity | sperm number | spermatophylax | cuticular hydrocarbons | NUPTIAL FOOD GIFTS | GRYLLODES-SUPPLICANS ORTHOPTERA | FEMALE MATING STATUS | SEXUAL SELECTION...

摘要： sperm competition when females mate with multiple | mate competition influences investment in sperm | test the effect of within-group sperm* competition on* | of within-group sperm* competition, and (2) within* | sperm competition.

关键词： Intrasexual selection | Male reproductive strategies | Plasticity | Lemurs | Social organization

4008-161-200 800-990-8900

国家科技图书文献中心

摘要： whether sperm competition risk predicts ejaculate | sperm competition risk (e.g., perceptions of partner | within the literature on human sperm competition and | , adjust their ejaculate quality in accordance with sperm | competition risk. Men who spend less time with their regular

关键词： Human sperm competition | Ejaculate adjustment | Ejaculate quality | Evolutionary psychology

摘要： that sperm transfer and fertility did not exhibit a | Long matings are abundant in insects despite | the range of the costs involved. The causes and | consequences of the evolution of long mating remain an | interesting problem for behavioural ecologists. We studied

关键词： competitive ability | copulatory courtship | mate guarding | sexual selection | sperm competition | sperm transfer

摘要： of sexual selection (i.e., mate competition | between prey availability, post-copulatory competition | high post-copulatory competition; whereas large males | worthless gifts only under low post-copulatory competition | . To further understand how mate competition affects

关键词： Alternative mating tactics | Deceptive nuptial gifts | Male size | Food resources | Sperm competition

摘要：Sperm competition favors increased investment | in post-copulatory sexual traits (e.g., long sperm | relationship between total sperm length (i.e., a post | increased with the total sperm length. Given that long | sperm would secure within-pair paternity, incubation

关键词： Hirundo rustica | Incubation | Paternal care behavior | Post-copulatory sexual selection | Sperm size

摘要： mechanism, pleiotropy, sperm competition, internal | The copulatory organs of many animal groups | exhibit a high degree of morphological complexity and | diversity that is thought to have evolved on the basis of | different selective mechanisms, including lock-and-key

关键词： gonopod | vulva | female choice | key-and-lock | genital evolution

摘要：-derived sperm produced in mice with the blastocyst | ability to produce rat-derived sperm. Histological | fertilization potential of the chimeric mouse sperm, we | performed intracytoplasmic sperm injection (ICSI) to rat | concerns regarding host cell contribution, as all sperm

关键词： ES cell; ICSI; blastocyst complementation; mouse; rat.

摘要：, parasitism and competition, one species may interfere with | to be superior in resource competition. Mate | migration of C. macrosperma's giant sperm cells. We | ABSTRACT Species coexistence is shaped by a | range of biotic and abiotic factors. Beyond predation

关键词： assortative mating | Caenorhabditis | coexistence | interspecific interactions | pre‐zygotic reproductive isolation | reproductive interference | sexual exclusion | species boundaries | sperm gigantism

摘要：Sperm competition is a potent mechanism of | in response to sperm competition through its effect | . Theoretical work predicts that sperm competition may select | sperm size under sperm competition. | animals. Especially sperm size has been argued to evolve

关键词： sexual selection | sperm competition | sperm size | hermaphrodites | stabilizing selection

摘要： intensity of sperm competition and adjust their ejaculate | and intensity of sperm competition. In agreement | increased sperm number with the risk of sperm competition | sperm competition. Similarly, as the risk of sperm | with the intensity of sperm competition. Our results

关键词： sperm competition | risk | intensity | sperm number | spermatophylax | cuticular hydrocarbons | NUPTIAL FOOD GIFTS | GRYLLODES-SUPPLICANS ORTHOPTERA | FEMALE MATING STATUS | SEXUAL SELECTION...

摘要： sperm competition when females mate with multiple | mate competition influences investment in sperm | test the effect of within-group sperm competition on | of within-group sperm competition, and (2) within | sperm competition.

关键词： Intrasexual selection | Male reproductive strategies | Plasticity | Lemurs | Social organization

4008-161-200 800-990-8900

国家科技图书文献中心

摘要： whether sperm* competition risk predicts ejaculate* | sperm competition risk (e.g., perceptions of partner | within the literature on human sperm* competition and* | , adjust their ejaculate quality in accordance with sperm | competition risk. Men who spend less time with their regular

摘要： that sperm* transfer and fertility did not exhibit a* | Long matings are abundant in insects despite | the range of the costs involved. The causes and | consequences of the evolution of long mating remain an | interesting problem for behavioural ecologists. We studied

摘要： of sexual selection (i.e., mate competition | between prey availability, post-copulatory competition | high post-copulatory competition; whereas large males | worthless gifts only under low post-copulatory competition | . To further understand how mate competition* affects*

摘要：Sperm competition favors increased investment | in post-copulatory sexual traits (e.g., long sperm | relationship between total sperm* length (i.e., a post* | increased with the total sperm* length. Given that long* | sperm would secure within-pair paternity, incubation

摘要： mechanism, pleiotropy, sperm* competition, internal* | The copulatory organs of many animal groups | exhibit a high degree of morphological complexity and | diversity that is thought to have evolved on the basis of | different selective mechanisms, including lock-and-key

摘要：-derived sperm* produced in mice with the blastocyst* | ability to produce rat-derived sperm. Histological | fertilization potential of the chimeric mouse sperm, we | performed intracytoplasmic sperm* injection (ICSI) to rat* | concerns regarding host cell contribution, as all sperm

摘要：, parasitism and competition, one species may interfere with | to be superior in resource competition. Mate | migration of C. macrosperma's giant sperm* cells. We* | ABSTRACT Species coexistence is shaped by a | range of biotic and abiotic factors. Beyond predation

摘要：Sperm competition is a potent mechanism of | in response to sperm* competition through its effect* | . Theoretical work predicts that sperm* competition may select* | sperm size under sperm competition. | animals. Especially sperm size has been argued to evolve

摘要： intensity of sperm* competition and adjust their ejaculate* | and intensity of sperm* competition. In agreement* | increased sperm number with the risk of sperm competition | sperm competition. Similarly, as the risk of sperm | with the intensity of sperm* competition. Our results*

摘要： sperm competition when females mate with multiple | mate competition influences investment in sperm | test the effect of within-group sperm* competition on* | of within-group sperm* competition, and (2) within* | sperm competition.