Evidence for hybrid breakdown in production of red carotenoids in the marine invertebrate Tigriopus californicus.

The marine copepod, Tigriopus californicus, produces the red carotenoid pigment astaxanthin from yellow dietary precursors. This 'bioconversion' of yellow carotenoids to red is hypothesized to be linked to individual condition, possibly through shared metabolic pathways with mitochondrial...

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Autores principales:	Matthew J Powers, Lucas D Martz, Ronald S Burton, Geoffrey E Hill, Ryan J Weaver
Formato:	article
Lenguaje:	EN
Publicado:	Public Library of Science (PLoS) 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/2c865a003d8c43a09789e9c4429e4ed4
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spelling	oai:doaj.org-article:2c865a003d8c43a09789e9c4429e4ed42021-12-02T20:05:56ZEvidence for hybrid breakdown in production of red carotenoids in the marine invertebrate Tigriopus californicus.1932-620310.1371/journal.pone.0259371https://doaj.org/article/2c865a003d8c43a09789e9c4429e4ed42021-01-01T00:00:00Zhttps://doi.org/10.1371/journal.pone.0259371https://doaj.org/toc/1932-6203The marine copepod, Tigriopus californicus, produces the red carotenoid pigment astaxanthin from yellow dietary precursors. This 'bioconversion' of yellow carotenoids to red is hypothesized to be linked to individual condition, possibly through shared metabolic pathways with mitochondrial oxidative phosphorylation. Experimental inter-population crosses of lab-reared T. californicus typically produces low-fitness hybrids is due in large part to the disruption of coadapted sets nuclear and mitochondrial genes within the parental populations. These hybrid incompatibilities can increase variability in life history traits and energy production among hybrid lines. Here, we tested if production of astaxanthin was compromised in hybrid copepods and if it was linked to mitochondrial metabolism and offspring development. We observed no clear mitonuclear dysfunction in hybrids fed a limited, carotenoid-deficient diet of nutritional yeast. However, when yellow carotenoids were restored to their diet, hybrid lines produced less astaxanthin than parental lines. We observed that lines fed a yeast diet produced less ATP and had slower offspring development compared to lines fed a more complete diet of algae, suggesting the yeast-only diet may have obscured effects of mitonuclear dysfunction. Astaxanthin production was not significantly associated with development among lines fed a yeast diet but was negatively related to development in early generation hybrids fed an algal diet. In lines fed yeast, astaxanthin was negatively related to ATP synthesis, but in lines fed algae, the relationship was reversed. Although the effects of the yeast diet may have obscured evidence of hybrid dysfunction, these results suggest that astaxanthin bioconversion may still be related to mitochondrial performance and reproductive success.Matthew J PowersLucas D MartzRonald S BurtonGeoffrey E HillRyan J WeaverPublic Library of Science (PLoS)articleMedicineRScienceQENPLoS ONE, Vol 16, Iss 11, p e0259371 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Matthew J Powers Lucas D Martz Ronald S Burton Geoffrey E Hill Ryan J Weaver Evidence for hybrid breakdown in production of red carotenoids in the marine invertebrate Tigriopus californicus.
description	The marine copepod, Tigriopus californicus, produces the red carotenoid pigment astaxanthin from yellow dietary precursors. This 'bioconversion' of yellow carotenoids to red is hypothesized to be linked to individual condition, possibly through shared metabolic pathways with mitochondrial oxidative phosphorylation. Experimental inter-population crosses of lab-reared T. californicus typically produces low-fitness hybrids is due in large part to the disruption of coadapted sets nuclear and mitochondrial genes within the parental populations. These hybrid incompatibilities can increase variability in life history traits and energy production among hybrid lines. Here, we tested if production of astaxanthin was compromised in hybrid copepods and if it was linked to mitochondrial metabolism and offspring development. We observed no clear mitonuclear dysfunction in hybrids fed a limited, carotenoid-deficient diet of nutritional yeast. However, when yellow carotenoids were restored to their diet, hybrid lines produced less astaxanthin than parental lines. We observed that lines fed a yeast diet produced less ATP and had slower offspring development compared to lines fed a more complete diet of algae, suggesting the yeast-only diet may have obscured effects of mitonuclear dysfunction. Astaxanthin production was not significantly associated with development among lines fed a yeast diet but was negatively related to development in early generation hybrids fed an algal diet. In lines fed yeast, astaxanthin was negatively related to ATP synthesis, but in lines fed algae, the relationship was reversed. Although the effects of the yeast diet may have obscured evidence of hybrid dysfunction, these results suggest that astaxanthin bioconversion may still be related to mitochondrial performance and reproductive success.
format	article
author	Matthew J Powers Lucas D Martz Ronald S Burton Geoffrey E Hill Ryan J Weaver
author_facet	Matthew J Powers Lucas D Martz Ronald S Burton Geoffrey E Hill Ryan J Weaver
author_sort	Matthew J Powers
title	Evidence for hybrid breakdown in production of red carotenoids in the marine invertebrate Tigriopus californicus.
title_short	Evidence for hybrid breakdown in production of red carotenoids in the marine invertebrate Tigriopus californicus.
title_full	Evidence for hybrid breakdown in production of red carotenoids in the marine invertebrate Tigriopus californicus.
title_fullStr	Evidence for hybrid breakdown in production of red carotenoids in the marine invertebrate Tigriopus californicus.
title_full_unstemmed	Evidence for hybrid breakdown in production of red carotenoids in the marine invertebrate Tigriopus californicus.
title_sort	evidence for hybrid breakdown in production of red carotenoids in the marine invertebrate tigriopus californicus.
publisher	Public Library of Science (PLoS)
publishDate	2021
url	https://doaj.org/article/2c865a003d8c43a09789e9c4429e4ed4
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Evidence for hybrid breakdown in production of red carotenoids in the marine invertebrate Tigriopus californicus.

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