Inny tytuł:

Arabidopsis Class A and B HSFs Show a Spectrum of Transcriptional Activity

Wydawca:

Committee on Biotechnology PAS ; Institute of Bioorganic Chemistry PAS

Abstrakt:

A plethora of heat shock transcription factors (HSFs) has been obtainedfrom various plant species (33,45-48,50,51). The Arabidopsis genome sequencingproject provided confirmation of the existence of at least twenty one HSFswhich were classified into three major classes. A, B and C, and numerous subclasses (9). Members of HSF class A displayed differential transcriptional activities in tobacco protoplasts that varied from 15- to 50-fold above the controllevel. This diversity of activity levels may reflect HSF variations regarding theirtranscriptional activation functions- some of the members might be the majorheat inducible HSFs (class A1 HSFs), while others act in an auxiliary capacity asHSF activity boosters (38). Two new class B HSFs showed no transcriptional activation potential. Reporter activities due to endogenous tobacco HSFs were inhibited by a class B HSFs showing high expression levels. This suppression ofendogenous HSFs by class B members provides further evidence that class BHSFs are not transcriptional activators, but are able to trons-attenuate thetranscriptional activity of bona fide activator HSFs (34,41). The transcriptionalcompetency of class C HSFs has not been determined.

Czasopismo/Seria/cykl:

Biotechnologia, vol.58, 3 (2002)-.

Tom:

58

Zeszyt:

3

Strona pocz.:

25

Strona końc.:

38

Szczegółowy typ zasobu:

Article

Format:

application/pdf

Identyfikator zasobu:

0860-7796 ; oai:rcin.org.pl:137866 ; IChB B-54

Źródło:

Library of Institute of Bioorganic Chemistry PAS

Język:

eng

Język streszczenia:

eng

Zakres czasowy:

1988-2010

Prawa:

Creative Commons Attribution BY-SA 4.0 license

Zasady wykorzystania:

Copyright-protected material. [CC BY-SA 4.0] May be used within the scope specified in Creative Commons Attribution BY-SA 4.0 license, full text available at:

Digitalizacja:

Institute of Bioorganic Chemistry of the Polish Academy of Science

Lokalizacja oryginału:

Institute of Bioorganic Chemistry of the Polish Academy of Science

Dofinansowane ze środków:

Operational Program Digital Poland, 2014-2020, Measure 2.3: Digital accessibility and usefulness of public sector information; funds from the European Regional Development Fund and national co-financing from the state budget.

Dostęp:

Open