Marine mammal skin microbiotas are influenced by host phylogeny

Skin-associated microorganisms have been shown to play a role in immune function and disease of humans, but are understudied in marine mammals, a diverse animal group that serve as sentinels of ocean health. We examined the microbiota associated with 75 epidermal samples opportunistically collected...

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Main Authors: Amy Apprill, Carolyn A. Miller, Amy M. Van Cise, Jana M. U'Ren, Matthew S. Leslie, Laura Weber, Robin W. Baird, Jooke Robbins, Scott Landry, Andrea Bogomolni, Gordon Waring
Format: Article
Language:English
Published: The Royal Society 2020-05-01
Series:Royal Society Open Science
Subjects:
Online Access:https://royalsocietypublishing.org/doi/pdf/10.1098/rsos.192046
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author Amy Apprill
Carolyn A. Miller
Amy M. Van Cise
Jana M. U'Ren
Matthew S. Leslie
Laura Weber
Robin W. Baird
Jooke Robbins
Scott Landry
Andrea Bogomolni
Gordon Waring
author_facet Amy Apprill
Carolyn A. Miller
Amy M. Van Cise
Jana M. U'Ren
Matthew S. Leslie
Laura Weber
Robin W. Baird
Jooke Robbins
Scott Landry
Andrea Bogomolni
Gordon Waring
author_sort Amy Apprill
collection DOAJ
description Skin-associated microorganisms have been shown to play a role in immune function and disease of humans, but are understudied in marine mammals, a diverse animal group that serve as sentinels of ocean health. We examined the microbiota associated with 75 epidermal samples opportunistically collected from nine species within four marine mammal families, including: Balaenopteridae (sei and fin whales), Phocidae (harbour seal), Physeteridae (sperm whales) and Delphinidae (bottlenose dolphins, pantropical spotted dolphins, rough-toothed dolphins, short-finned pilot whales and melon-headed whales). The skin was sampled from free-ranging animals in Hawai‘i (Pacific Ocean) and off the east coast of the United States (Atlantic Ocean), and the composition of the bacterial community was examined using the sequencing of partial small subunit (SSU) ribosomal RNA genes. Skin microbiotas were significantly different among host species and taxonomic families, and microbial community distance was positively correlated with mitochondrial-based host genetic divergence. The oceanic location could play a role in skin microbiota variation, but skin from species sampled in both locations is necessary to determine this influence. These data suggest that a phylosymbiotic relationship may exist between microbiota and their marine mammal hosts, potentially providing specific health and immune-related functions that contribute to the success of these animals in diverse ocean ecosystems.
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spelling doaj.art-356b4834e8334eeabee0fe7c4185d7c92022-12-22T00:13:09ZengThe Royal SocietyRoyal Society Open Science2054-57032020-05-017510.1098/rsos.192046192046Marine mammal skin microbiotas are influenced by host phylogenyAmy ApprillCarolyn A. MillerAmy M. Van CiseJana M. U'RenMatthew S. LeslieLaura WeberRobin W. BairdJooke RobbinsScott LandryAndrea BogomolniGordon WaringSkin-associated microorganisms have been shown to play a role in immune function and disease of humans, but are understudied in marine mammals, a diverse animal group that serve as sentinels of ocean health. We examined the microbiota associated with 75 epidermal samples opportunistically collected from nine species within four marine mammal families, including: Balaenopteridae (sei and fin whales), Phocidae (harbour seal), Physeteridae (sperm whales) and Delphinidae (bottlenose dolphins, pantropical spotted dolphins, rough-toothed dolphins, short-finned pilot whales and melon-headed whales). The skin was sampled from free-ranging animals in Hawai‘i (Pacific Ocean) and off the east coast of the United States (Atlantic Ocean), and the composition of the bacterial community was examined using the sequencing of partial small subunit (SSU) ribosomal RNA genes. Skin microbiotas were significantly different among host species and taxonomic families, and microbial community distance was positively correlated with mitochondrial-based host genetic divergence. The oceanic location could play a role in skin microbiota variation, but skin from species sampled in both locations is necessary to determine this influence. These data suggest that a phylosymbiotic relationship may exist between microbiota and their marine mammal hosts, potentially providing specific health and immune-related functions that contribute to the success of these animals in diverse ocean ecosystems.https://royalsocietypublishing.org/doi/pdf/10.1098/rsos.192046marine mammalmicroorganismphylogenyssu ribosomal rna genebacteria
spellingShingle Amy Apprill
Carolyn A. Miller
Amy M. Van Cise
Jana M. U'Ren
Matthew S. Leslie
Laura Weber
Robin W. Baird
Jooke Robbins
Scott Landry
Andrea Bogomolni
Gordon Waring
Marine mammal skin microbiotas are influenced by host phylogeny
Royal Society Open Science
marine mammal
microorganism
phylogeny
ssu ribosomal rna gene
bacteria
title Marine mammal skin microbiotas are influenced by host phylogeny
title_full Marine mammal skin microbiotas are influenced by host phylogeny
title_fullStr Marine mammal skin microbiotas are influenced by host phylogeny
title_full_unstemmed Marine mammal skin microbiotas are influenced by host phylogeny
title_short Marine mammal skin microbiotas are influenced by host phylogeny
title_sort marine mammal skin microbiotas are influenced by host phylogeny
topic marine mammal
microorganism
phylogeny
ssu ribosomal rna gene
bacteria
url https://royalsocietypublishing.org/doi/pdf/10.1098/rsos.192046
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