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Pichia Yeast Protein Expression System: Technology

Pichia Technology

Here, we present articles on important aspects of the Pichia pastoris technology.

1. The Pichia System

About the Author: James M. Cregg, Ph.D., a molecular and cellular biologist with particular expertise and interest in yeasts, played a major role in developing the Pichia system. As a result of Cregg’s work, P. pastoris has become a major gene expression system for the production of a variety of foreign proteins. Examples of pharmaceutical proteins made in Pichia include: a vaccine against hepatitis B; human serum albumen, a component for an artificial blood plasma; and the anti-angiogenic proteins, angiostatin and endostatin, which have received attention in the press as potential anticancer drugs.

Cregg has continued research aimed at understanding and improving the Pichia system. One goal of his studies is to provide the P. pastoris user community with improved system components and methods.

2. Pichia Improvements

About the Author: Work by Roland Contreras, Ph.D., at Ghent University and VIB in Belgium, discovered a way to manipulate the Pichia glycosylation system to produce uniform, small ASN-linked glycans on any glycoprotein of interest. These glycans have the same structure as processing intermediates of the mammalian N-glycosylation pathway.

The GlycoSwitch service is available to Pichia licensees.

Licensing Information

For Pichia licensing, contact:

David Bramhill, Ph.D., Director,
Gene eXpression Technologies Program
or Andrea Isner, Assistant to
David Bramhill, Ph.D.
Research Corporation Technologies
5210 East Williams Circle, Suite 240
Tucson, AZ 85711-4410
Telephone: (520) 748-4443
Fax: (520) 748-0025
E-mail Dr. Bramhill
E-mail Andrea Isner
Web: http://www.rctech.com

For Pichia kit purchases, technical and custom services:

Invitrogen Corp.
Telephone: (800) 955-6288
Fax: (760) 602-6500
Web: http://www.invitrogen.com


Research Corporation Technologies logo
General Information:
Research Corp. Technologies
5210 East Williams Circle, Suite 240
Tucson, AZ 85711-4410 USA
Telephone: (520) 748-4400
Fax: (520) 748-0025
E-mail: pichia@rctech.com
Web: http://www.rctech.com