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Detection of signal recognition particle (SRP) RNAs in the nuclear ribosomal internal transcribed spacer 1 (ITS1) of three lineages of ectomycorrhizal fungi (Agaricomycetes, Basidiomycota)

Författare och institution:
Magnus Alm Rosenblad (Institutionen för marina vetenskaper); María P. Martín (-); Leho Tedersoo (-); Martin K. Ryberg (-); Ellen Larsson (Institutionen för biologi och miljövetenskap); Christian Wurzbacher (Institutionen för biologi och miljövetenskap); Kessy Abarenkov (-); R. Henrik Nilsson (Institutionen för biologi och miljövetenskap)
Publicerad i:
MycoKeys, 13 s. 21-33
ISSN:
1314-4057
E-ISSN:
1314-4049
Publikationstyp:
Artikel, refereegranskad vetenskaplig
Publiceringsår:
2016
Språk:
engelska
Fulltextlänk:
Fulltextlänk (lokalt arkiv):
Sammanfattning (abstract):
During a routine scan for Signal Recognition Particle (SRP) RNAs in eukaryotic sequences, we surprisingly found in silico evidence in GenBank for a 265-base long SRP RNA sequence in the ITS1 region of a total of 11 fully identified species in three ectomycorrhizal genera of the Basidiomycota (Fungi): Astraeus, Russula, and Lactarius. To rule out sequence artifacts, one specimen from a species indicated to have the SRP RNA-containing ITS region in each of these genera was ordered and re-sequenced. Sequences identical to the corresponding GenBank entries were recovered, or in the case of a non-original but conspecific specimen differed by three bases, showing that these species indeed have an SRP RNA sequence incorporated into their ITS1 region. Other than the ribosomal genes, this is the first known case of non-coding RNAs in the eukaryotic ITS region, and it may assist in the examination of other types of insertions in fungal genomes.
Ämne (baseras på Högskoleverkets indelning av forskningsämnen):
NATURVETENSKAP ->
Biologiska vetenskaper ->
Strukturbiologi
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Biologiska vetenskaper ->
Biokemi och molekylärbiologi
NATURVETENSKAP ->
Biologiska vetenskaper ->
Botanik
NATURVETENSKAP ->
Biologiska vetenskaper ->
Genetik
NATURVETENSKAP ->
Biologiska vetenskaper ->
Bioinformatik och systembiologi
NATURVETENSKAP ->
Biologiska vetenskaper ->
Biologisk systematik
NATURVETENSKAP ->
Biologiska vetenskaper ->
Evolutionsbiologi
NATURVETENSKAP ->
Biologiska vetenskaper ->
Annan biologi ->
Funktionsgenomik
Nyckelord:
SRP RNA, non-coding RNA, ribosomal RNA, internal transcribed spacer 1 (ITS1), ectomycorrhizal fungi
Ytterligare information:
Open access
Postens nummer:
236529
Posten skapad:
2016-05-13 15:48
Posten ändrad:
2016-06-29 14:01

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