Methane production and methanogenic Archaea in the digestive tracts of millipedes (Diplopoda).

Methane production by intestinal methanogenic Archaea and their community structure were compared among phylogenetic lineages of millipedes. Tropical and temperate millipedes of 35 species and 17 families were investigated. Species that emitted methane were mostly in the juliform orders Julida, Spir...

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Autores principales:	Vladimír Šustr, Alica Chroňáková, Stanislava Semanová, Karel Tajovský, Miloslav Šimek
Formato:	article
Lenguaje:	EN
Publicado:	Public Library of Science (PLoS) 2014
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/4f7d1a19b55849b68647944a514b3d4d
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spelling	oai:doaj.org-article:4f7d1a19b55849b68647944a514b3d4d2021-11-25T06:08:20ZMethane production and methanogenic Archaea in the digestive tracts of millipedes (Diplopoda).1932-620310.1371/journal.pone.0102659https://doaj.org/article/4f7d1a19b55849b68647944a514b3d4d2014-01-01T00:00:00Zhttps://www.ncbi.nlm.nih.gov/pmc/articles/pmid/25028969/pdf/?tool=EBIhttps://doaj.org/toc/1932-6203Methane production by intestinal methanogenic Archaea and their community structure were compared among phylogenetic lineages of millipedes. Tropical and temperate millipedes of 35 species and 17 families were investigated. Species that emitted methane were mostly in the juliform orders Julida, Spirobolida, and Spirostreptida. The irregular phylogenetic distribution of methane production correlated with the presence of the methanogen-specific mcrA gene. The study brings the first detailed survey of methanogens' diversity in the digestive tract of millipedes. Sequences related to Methanosarcinales, Methanobacteriales, Methanomicrobiales and some unclassified Archaea were detected using molecular profiling (DGGE). The differences in substrate preferences of the main lineages of methanogenic Archaea found in different millipede orders indicate that the composition of methanogen communities may reflect the differences in available substrates for methanogenesis or the presence of symbiotic protozoa in the digestive tract. We conclude that differences in methane production in the millipede gut reflect differences in the activity and proliferation of intestinal methanogens rather than an absolute inability of some millipede taxa to host methanogens. This inference was supported by the general presence of methanogenic activity in millipede faecal pellets and the presence of the 16S rRNA gene of methanogens in all tested taxa in the two main groups of millipedes, the Helminthophora and the Pentazonia.Vladimír ŠustrAlica ChroňákováStanislava SemanováKarel TajovskýMiloslav ŠimekPublic Library of Science (PLoS)articleMedicineRScienceQENPLoS ONE, Vol 9, Iss 7, p e102659 (2014)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Vladimír Šustr Alica Chroňáková Stanislava Semanová Karel Tajovský Miloslav Šimek Methane production and methanogenic Archaea in the digestive tracts of millipedes (Diplopoda).
description	Methane production by intestinal methanogenic Archaea and their community structure were compared among phylogenetic lineages of millipedes. Tropical and temperate millipedes of 35 species and 17 families were investigated. Species that emitted methane were mostly in the juliform orders Julida, Spirobolida, and Spirostreptida. The irregular phylogenetic distribution of methane production correlated with the presence of the methanogen-specific mcrA gene. The study brings the first detailed survey of methanogens' diversity in the digestive tract of millipedes. Sequences related to Methanosarcinales, Methanobacteriales, Methanomicrobiales and some unclassified Archaea were detected using molecular profiling (DGGE). The differences in substrate preferences of the main lineages of methanogenic Archaea found in different millipede orders indicate that the composition of methanogen communities may reflect the differences in available substrates for methanogenesis or the presence of symbiotic protozoa in the digestive tract. We conclude that differences in methane production in the millipede gut reflect differences in the activity and proliferation of intestinal methanogens rather than an absolute inability of some millipede taxa to host methanogens. This inference was supported by the general presence of methanogenic activity in millipede faecal pellets and the presence of the 16S rRNA gene of methanogens in all tested taxa in the two main groups of millipedes, the Helminthophora and the Pentazonia.
format	article
author	Vladimír Šustr Alica Chroňáková Stanislava Semanová Karel Tajovský Miloslav Šimek
author_facet	Vladimír Šustr Alica Chroňáková Stanislava Semanová Karel Tajovský Miloslav Šimek
author_sort	Vladimír Šustr
title	Methane production and methanogenic Archaea in the digestive tracts of millipedes (Diplopoda).
title_short	Methane production and methanogenic Archaea in the digestive tracts of millipedes (Diplopoda).
title_full	Methane production and methanogenic Archaea in the digestive tracts of millipedes (Diplopoda).
title_fullStr	Methane production and methanogenic Archaea in the digestive tracts of millipedes (Diplopoda).
title_full_unstemmed	Methane production and methanogenic Archaea in the digestive tracts of millipedes (Diplopoda).
title_sort	methane production and methanogenic archaea in the digestive tracts of millipedes (diplopoda).
publisher	Public Library of Science (PLoS)
publishDate	2014
url	https://doaj.org/article/4f7d1a19b55849b68647944a514b3d4d
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Methane production and methanogenic Archaea in the digestive tracts of millipedes (Diplopoda).

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