Keratin Durability Has Implications for the Fossil Record: Results from a 10 Year Feather Degradation Experiment
Publication Date
July 06, 2016
Journal
PLOS ONE
Authors
Alison E. Moyer, Wenxia Zheng & Mary H. Schweitzer
Volume
11
Issue
7
Pages
e0157699
DOI
https://dx.plos.org/10.1371/journal.pone.0157699
Publisher URL
http://journals.plos.org/plosone/article?id=10.1371%2Fjournal.pone.0157699
Web of Science
000379809400021
Scopus
84978036342
Mendeley
http://www.mendeley.com/research/keratin-durability-implications-fossil-record-results-10-year-feather-degradation-experiment
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Mendeley | Further Information

{"title"=>"Keratin durability has implications for the fossil record: Results from a 10 year feather degradation experiment", "type"=>"journal", "authors"=>[{"first_name"=>"Alison E.", "last_name"=>"Moyer", "scopus_author_id"=>"56080705400"}, {"first_name"=>"Wenxia", "last_name"=>"Zheng", "scopus_author_id"=>"57000611900"}, {"first_name"=>"Mary H.", "last_name"=>"Schweitzer", "scopus_author_id"=>"7201620792"}], "year"=>2016, "source"=>"PLoS ONE", "identifiers"=>{"doi"=>"10.1371/journal.pone.0157699", "sgr"=>"84978036342", "scopus"=>"2-s2.0-84978036342", "issn"=>"19326203", "pui"=>"611168218"}, "id"=>"c3204f89-834e-304e-bec8-6d7de273ce1b", "abstract"=>"Keratinous ‘soft tissue’ structures (i.e. epidermally derived and originally non-biomineralized), include feathers, skin, claws, beaks, and hair. Despite their relatively common occurrence in the fossil record (second only to bone and teeth), few studies have addressed natural degradation processes that must occur in all organic material, including those keratinous structures that are incorporated into the rock record as fossils. Because feathers have high preservation potential and strong phylogenetic signal, in the current study we examine feathers subjected to different burial environments for a duration of ~10 years, using transmission electron microscopy (TEM) and in situ immunofluorescence (IF). We use morphology and persistence of specific immunoreactivity as indicators of preservation at the molecular and microstructural levels. We show that feather keratin is durable, demonstrates structural and microstructural integrity, and retains epitopes suitable for specific antibody recognition in even the harshest conditions. These data support the hypothesis that keratin antibody reactivity can be used to identify the nature and composition of epidermal structures in the rock record, and to address evolutionary questions by distinguishing between alpha- (widely distributed) and beta- (limited to sauropsids) keratin.", "link"=>"http://www.mendeley.com/research/keratin-durability-implications-fossil-record-results-10-year-feather-degradation-experiment", "reader_count"=>20, "reader_count_by_academic_status"=>{"Student > Doctoral Student"=>2, "Researcher"=>2, "Student > Ph. D. Student"=>6, "Student > Master"=>4, "Student > Bachelor"=>5, "Professor"=>1}, "reader_count_by_user_role"=>{"Student > Doctoral Student"=>2, "Researcher"=>2, "Student > Ph. D. Student"=>6, "Student > Master"=>4, "Student > Bachelor"=>5, "Professor"=>1}, "reader_count_by_subject_area"=>{"Unspecified"=>1, "Engineering"=>1, "Biochemistry, Genetics and Molecular Biology"=>1, "Agricultural and Biological Sciences"=>8, "Arts and Humanities"=>2, "Chemistry"=>2, "Earth and Planetary Sciences"=>4, "Chemical Engineering"=>1}, "reader_count_by_subdiscipline"=>{"Engineering"=>{"Engineering"=>1}, "Chemistry"=>{"Chemistry"=>2}, "Earth and Planetary Sciences"=>{"Earth and Planetary Sciences"=>4}, "Agricultural and Biological Sciences"=>{"Agricultural and Biological Sciences"=>8}, "Biochemistry, Genetics and Molecular Biology"=>{"Biochemistry, Genetics and Molecular Biology"=>1}, "Unspecified"=>{"Unspecified"=>1}, "Chemical Engineering"=>{"Chemical Engineering"=>1}, "Arts and Humanities"=>{"Arts and Humanities"=>2}}, "reader_count_by_country"=>{"Sweden"=>1}, "group_count"=>1}

Scopus | Further Information

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