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Applied and Environmental Microbiology, December 2002, p. 6388-6391, Vol. 68, No. 12
0099-2240/02/$04.00+0 DOI: 10.1128/AEM.68.12.6388-6391.2002
Copyright © 2002, American Society for Microbiology. All Rights Reserved.
AbiA, a Lactococcal Abortive Infection Mechanism Functioning in Streptococcus thermophilus
Mark Tangney1,2 and Gerald F. Fitzgerald1,2*
National Food Biotechnology Centre,1
Department of Microbiology, University College, Cork, Ireland2
Received 25 February 2002/
Accepted 4 July 2002
The lactococcal abortive infection mechanisms AbiA and AbiG were introduced into Streptococcus thermophilus 4035, and a range of phages capable of infecting this host were examined for sensitivity to these mechanisms. AbiA proved effective against six phages when examined at a growth temperature of 30°C but had no effect on any of the phages when tested at 37 or 42°C. AbiG failed to affect any of the S. thermophilus phages at 30, 37, or 42°C.
* Corresponding author. Mailing address: Department of Microbiology, University College, Cork, Ireland. Phone: 353-21-4902730. Fax: 353-21-4276318. E-mail:
g.fitzgerald{at}ucc.ie.
Applied and Environmental Microbiology, December 2002, p. 6388-6391, Vol. 68, No. 12
0099-2240/02/$04.00+0 DOI: 10.1128/AEM.68.12.6388-6391.2002
Copyright © 2002, American Society for Microbiology. All Rights Reserved.
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