Evidence map›Paper›PMID 29046383›Full record

ArticleProceedings. Biological sciences2017

Preservation of uropygial gland lipids in a 48-million-year-old bird.

Shane O'Reilly, Roger Summons, Gerald Mayr, Jakob Vinther

Open access · bronzeAbstract read
In one paragraph

Article in Proceedings. Biological sciences, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.

0numbers the graph read from it
0cells of the map it votes in
5citing papers in PubMed
1.4field-weighted citation impact, top 21% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

5 citing papers in PubMed, 15 citations in OpenAlex.

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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

4 authors at 4 institutions in 4 countries.

Shane O'ReillyDepartment of Earth, Atmospheric and Planetary Sciences, Massachusetts Institute of Technology, 45 Carleton St., Cambridge, MA 02142, USA shane.oreilly@ucd.ie.ORCID http://orcid.org/0000-0001-6303-4329
Roger SummonsDepartment of Earth, Atmospheric and Planetary Sciences, Massachusetts Institute of Technology, 45 Carleton St., Cambridge, MA 02142, USA.ORCID http://orcid.org/0000-0002-7144-8537
Gerald MayrDepartment of Ornithology, Senckenberg Research Institute and Natural History Museum, Senckenberganlage 25, 60325 Frankfurt, Germany.ORCID http://orcid.org/0000-0001-9808-748X
Jakob VintherSchool of Biological Sciences, University of Bristol, Life Sciences Building, 24 Tyndall Avenue, Bristol BS8 1TQ, UK.ORCID http://orcid.org/0000-0002-3584-9616
Massachusetts Institute of Technology · USSenckenberg Research Institute and Natural History Museum Frankfurt/M · DEUniversity College Dublin · IEUniversity of Bristol · GB

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Although various kinds of organic molecules are known to occur in fossils and rocks, most soft tissue preservation in animals is attributed to melanin or porphyrins. Lipids are particularly stable over time-as diagenetically altered 'geolipids' or as major molecular constituents of kerogen or fossil 'geopolymers'-and may be expected to be preserved in certain vertebrate tissues. Here we analysed lipid residues from the uropygial gland of an early Eocene bird using pyrolysis gas chromatography mass spectroscopy. We found a pattern of aliphatic molecules in the fossil gland that was distinct from the host oil shale sediment matrix and from feathers of the same fossil. The fossil gland contained abundant

Indexed as

AnimalsBirdsExocrine GlandsFossilsGas Chromatography-Mass SpectrometryLipidsPaleontologyLipidsEocenefossil birdMesselmolecular fossilssoft tissue preservationuropygial gland

Identifiers

PMID29046383
PMCPMC5666090
OpenAlexW2765607327

What OpenQuestion holds

Textmetadata
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.