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Photinus pyralis

ABSTRACT: Molecular composition of the male nuptial gift in the firefly Photinus pyralis

OTHER RELATED OMICS DATASETS IN: MTBLS362

PROVIDER: PRJNA328865 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR3883760_1.fastq.gz	Fastqsanger.gz
	SRR3883760_2.fastq.gz	Fastqsanger.gz
	SRR3883770_1.fastq.gz	Fastqsanger.gz
	SRR3883770_2.fastq.gz	Fastqsanger.gz
	SRR3883761_1.fastq.gz	Fastqsanger.gz

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Molecular composition of male nuptial gifts in fireflies: shedding light on postcopulatory sexual selection

Project description:Postcopulatory sexual selection is now widely recognized as a key driver of reproductive trait evolution, including the machinery required to produce endogenous nuptial gifts. Despite the importance of such gifts, molecular composition of the non-gametic components of male ejaculates and their interactions with female reproductive tracts remain poorly understood. . Here we combined transcriptomic studies of both male and female reproductive glands with proteomic and metabolomic approaches to better understand the synthesis, composition and fate of this spermatophore gift in the common Eastern firefly, Photinus pyralis.

2016-12-06 | PXD004005 | Pride

Molecular characterization of firefly nuptial gifts: a multi-omics approach sheds light on postcopulatory sexual selection

Project description:Postcopulatory sexual selection is recognized as a key driver of reproductive trait evolution, including the machinery required to produce endogenous nuptial gifts. Despite the importance of such gifts, the molecular composition of the non-gametic components of male ejaculates and their interactions with female reproductive tracts remain poorly understood. During mating, male Photinus fireflies transfer to females a spermatophore gift manufactured by multiple reproductive glands. Here we combined transcriptomics of both male and female reproductive glands with proteomics and metabolomics to better understand the synthesis, composition and fate of the spermatophore in the common Eastern firefly, Photinus pyralis. Our transcriptome of male glands revealed up-regulation of proteases that may enhance male fertilization success and activate female immune response. Using bottom-up proteomics we identified 208 functionally annotated proteins that males transfer to the female in their spermatophore. Targeted metabolomic analysis also provided the first evidence that Photinus nuptial gifts contain lucibufagin, a firefly defensive toxin. The reproductive tracts of female fireflies showed increased gene expression for several proteases that may be involved in egg production. This study offers new insights into the molecular composition of male spermatophores, and extends our understanding of how nuptial gifts may mediate postcopulatory interactions between the sexes.

2016-12-22 | MTBLS362 | MetaboLights

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Project description:Photinus pyralis overview

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Project description:Photinus pyralis posterior abdomen de novo transcriptome assembly

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Firefly genomes illuminate parallel origins of bioluminescence in beetles

Project description:Fireflies and their fascinating luminous courtships have inspired centuries of scientific study. Today firefly luciferase is widely used in biotechnology, but the evolutionary origin of their bioluminescence remains unclear. To shed light on this long-standing question, we sequenced the genomes of two firefly species that diverged over 100 million-years-ago: the North American Photinus pyralis and Japanese Aquatica lateralis. To compare bioluminescent origins, we also sequenced the genome of a related click-beetle, the Caribbean Ignelater luminosus, with bioluminescent biochemistry near-identical to fireflies, but anatomically unique light organs, suggesting the intriguing but contentious hypothesis of parallel gains of bioluminescence. Our analyses support two independent gains of bioluminescence between fireflies and click-beetles, and provide new insights into the genes, chemical defenses, and symbionts that evolved alongside their luminous lifestyle.

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Firefly genomes illuminate parallel origins of bioluminescence in beetles

Project description:Fireflies and their luminous courtships have inspired centuries of scientific study. Today firefly luciferase is widely used in biotechnology, but the evolutionary origin of bioluminescence within beetles remains unclear. To shed light on this long-standing question, we sequenced the genomes of two firefly species that diverged over 100 million-years-ago: the North American Photinus pyralis and Japanese Aquatica lateralis. To compare bioluminescent origins, we also sequenced the genome of a related click beetle, the Caribbean Ignelater luminosus, with bioluminescent biochemistry near-identical to fireflies, but anatomically unique light organs, suggesting the intriguing hypothesis of parallel gains of bioluminescence. Our analyses support independent gains of bioluminescence in fireflies and click beetles, and provide new insights into the genes, chemical defenses, and symbionts that evolved alongside their luminous lifestyle.

2018-09-14 | MTBLS698 | MetaboLights

Project description:Evolution of nuptial gift and sexual cannibalism in spiders of the genus Trechaleoides

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