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Title:Cultivable bacterial microbiota from choanae of free-living birds captured in Slovenia
Authors:ID Škraban, Jure (Author)
ID Matjašič, Tjaša (Author)
ID Janžekovič, Franc (Author)
ID Wilharm, Gottfried (Author)
ID Trček, Janja (Author)
Files:URL URL - Source URL, visit https://ojs.sazu.si/folia_bio_geo/article/view/5196
 
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MD5: 31F30D32CD3F456853AA983299BF18D9
 
Language:English
Typology:1.01 - Original Scientific Article
Organization:Logo SAZU - Slovenian Academy of Sciences and Arts
Abstract:We have analysed the structure of cultivable choanal microbiota from free-living birds in relation to bird diet, its richness and the relative number of opportunistic bacteria acquired from the environment. For this purpose, we have taken choanal swabs from 25 free-living birds representing 13 different bird species captured in Slovenia. From the grown cultures, 98 bacterial colonies were isolated and their 16S rRNA genes sequenced. Most of the bacteria belonged to the phylum Actinobacteria (52 %), Proteobacteria (31 %), Firmicutes (15 %) and Bacteroidetes (4 %). Thirty-two percent of sampled birds were colonized by known human opportunists and 44 % of birds by at least one known plant pathogen. Hierarchical clustering of the analyzed microbiota grouped the birds according to their predominant diet. The richness of choanal microbiota from birds feeding mainly on insects was poorer compared to the birds feeding on diverse animal and plant material. The study has shown that the free-living birds carry an important reservoir of opportunistic human and plant pathogenic bacteria in their upper respiratory tract. To get a deeper insight into its composition, a bigger pool of birds will have to be analyzed in the future.
Keywords:birds, microbiota, choanae, pathogenic bacteria, diet
Publication status:Published
Publication version:Version of Record
Publication date:22.09.2017
Year of publishing:2017
Number of pages:str. 105-114
Numbering:letn. 58, št. 1
PID:20.500.12556/DiRROS-27000 New window
UDC:598.2
ISSN on article:1855-7996
DOI:10.3986/fbg0024 New window
COBISS.SI-ID:23318280 New window
Copyright:Imetniki avtorskih pravic na prispevkih so avtorji
Publication date in DiRROS:28.01.2026
Views:51
Downloads:23
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Record is a part of a journal

Title:Folia biologica et geologica
Publisher:Slovenska akademija znanosti in umetnosti
ISSN:1855-7996
COBISS.SI-ID:248490496 New window

Document is financed by a project

Funder:ARIS - Slovenian Research and Innovation Agency
Project number:P2-0006
Name:Fizikalno kemijski pojavi na površinskih plasteh in uporaba nanodelcev

Funder:ARIS - Slovenian Research and Innovation Agency
Project number:IP-0552

Licences

License:CC BY-SA 4.0, Creative Commons Attribution-ShareAlike 4.0 International
Link:http://creativecommons.org/licenses/by-sa/4.0/
Description:This Creative Commons license is very similar to the regular Attribution license, but requires the release of all derivative works under this same license.
Licensing start date:22.09.2017
Applies to:VoR

Secondary language

Language:Slovenian
Title:Kultivabilna bakterijska mikrobiota iz sapišč prostoživečih ptic, ujetih v Sloveniji
Abstract:Sestavo kultivabilne bakterijske mikrobiote v sapiščih prostoživečih ptic smo analizirali z vidika vpliva prehrane, bogatosti mikrobiote in prisotnosti oportunističnih bakterij. Petindvajsetim prostoživečim pticam, ki so bile ujete v Sloveniji in so pripadale 13 vrstam, smo odvzeli bris sapišča. Po nacepitvi brisov na mikrobiološka gojišča in gojenju, smo izolirali 98 bakterijskih kolonij in jim določili nukleotidno zaporedje gena za 16S rRNK. Večina izoliranih bakterij je pripadala deblu Actinobacteria (52 %), Proteobacteria (31 %), Firmicutes (15 %) in Bacteroidetes (4 %). Pri približno eni tretjini ptic (32 %) smo iz sapišča izolirali vsaj eno oportunistično bakterijsko vrsto, ki lahko povzroča okužbe pri ljudeh. Pri slabi polovici ptic (44 %) pa smo v sapišču našli vsaj eno bakterijsko vrsto, ki lahko okuži rastline. Z metodo hierarhičnega združevanja smo pokazali, da imajo ptice s podobno prehrano, podobno bakterijsko mikrobioto sapišč. Ptice, ki se prehranjujejo pretežno z žuželkami so imele manj bogato mikrobioto kot ptice, ki se prehranjujejo z bolj raznoliko živalsko in rastlinsko hrano. Raziskava je tudi pokazala, da so zgornja dihala prostoživečih ptic pomemben rezervoar oportunističnih bakterij, ki lahko okužijo ljudi in rastline. Da bi dobili globji vpogled v sestavo mikrobiote zgornjih dihal, bi v prihodnosti morali povečati število analiziranih ptic.
Keywords:ptice, mikrobiota, sapišče, patogene bakterije, prehrana


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