Published online before print
July 12, 2001, 10.1101/gr.168801
Vol. 11, Issue 8, 1327-1334, August 2001
Gene Targeting of Desrt, a Novel ARID Class DNA-Binding Protein, Causes Growth Retardation and Abnormal Development of Reproductive Organs
Mireille H.
Lahoud,1
Sika
Ristevski,1
Deon J.
Venter,3,4
Lars S.
Jermiin,5,8
Ivan
Bertoncello,3
Silva
Zavarsek,1
Sue
Hasthorpe,6
John
Drago,7
David
de Kretser,2
Paul J.
Hertzog,1,10,11 and
Ismail
Kola1,9
1 Centre for Functional Genomics and Human Disease, and
2 Molecular Reproduction and Endocrinology, Monash Institute
of Reproduction and Development, Monash University, Melbourne,
Victoria, Australia; 3 Peter MacCallum Cancer Institute, East
Melbourne, VIC 3002, Australia; 4 Department of Pathology,
University of Melbourne, Parkville, VIC 3052, Australia;
5 John Curtin School of Medical Research, Australian National
University, Canberra, ACT 0200, Australia; 6 F. Douglas
Stephens Surgical Research Laboratory, Royal Children's Hospital,
Parkville, VIC 3052, Australia; 7 Department of Medicine,
Monash University, Monash Medical Centre, Clayton, VIC 3168, Australia
We have cloned and characterized a novel murine DNA-binding protein
Desrt, with a motif characteristic of the ARID (A-T
rich interaction domain) family of
transcription factors. The Desrt gene encodes an 83-kD protein
that is shown to bind DNA and is widely expressed in adult tissues. To
examine the in vivo function of Desrt, we have generated mice
with a targeted mutation in the ARID domain of Desrt.
Homozygous mutants have reduced viability, pronounced growth
retardation, and a high incidence of abnormalities of the female and
male reproductive organs including cryptorchidism. This may thus serve
as a model to dissect the mechanisms involved in the development of the
reproductive tract including testicular descent. Gene-targeted mice
also display a reduction in the thickness of the zona reticularis of
the adrenal gland and transient aberrations of the T and B cell
compartments of primary lymphoid organs. These data show that this
novel DNA-binding protein, Desrt, has a nonredundant function during
growth and in the development of the reproductive system.
Present addresses:
8Australian Genomic Information Centre
and School of Biological Sciences, The University of Sydney, Sydney,
NSW 2006, Australia;
9Pharmacia Corporation, Kalamazoo,
Michigan 49007, USA.
10
Monash Institute of Reproduction and Development, Monash
Medical Centre, 246 Clayton Road, Clayton, Victoria 3168, Australia.
11
Corresponding author.
11:1327-1334 ©2001 by Cold Spring Harbor Laboratory Press ISSN 1088-9051/01 $5.00

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