|
COMMERCE BUSINESS DAILY ISSUE OF JUNE 22,2000 PSA#2627U.S. Department of Agriculture, ARS, LPSI, East Side Service Center,
Bldg. 307, Room 129, BARC-East, Beltsville, MD 20705 66 -- CUSTOM NORMALIZATION CDNA LIBRARY SOL 0011265120-00091 DUE
070700 POC John Wilkinson, Telephone (301) 504-5799, Fax (301) 504-8696
USDA intends to award the following solicitation as a "Sole Source
Procurement" due to the "PATENT" that "Life Technologies Inc." holds
for the "Superscript RT Enzyme". USDA intends to purchase a "Custom
Normalized cDNA Library". This procurement request is for cDNA library
normalization service to construct a normalized cDNA library from
chicken intestinal lymphocytes. A normalized cDNA library of low clonal
redundancy is required as a resource by our laboratory to efficiently
generate 10,000 unique expressed sequence tags (ESTs) from the chicken
intestinal lymphocytes. This service needs to follow specific
parameters to insure our lab obtains the highest quality cDNA library
necessary for our EST project. First, mRNA has to be isolated from
chicken intestinal lymphocytes at day 0, 1, 2, 3, and 4 post infection
of E. maxima. The mRNA must be mixed in equimolar concentrations
before producing >1 kb cDNA fragments with a high fidelity enzyme
like Superscript II H- RNase reverse transcriptase. USDA requires these
cDNAs fragments to be cloned into pCMV Sport 6.0 vector and transformed
into DH10B cells. From these reactions, two libraries should be
produced; each with >1 x 107 primary clones. Individual clones from
these libraries need to be analyzed to determine average cDNA insert
size. The primary libraries have to be produced in 4-6 weeks. A hundred
clones are then returned to our laboratory for sequence analysis to
determine redundant clones for quality control analysis of the
normalization procedure. The primary libraries are amplified using a
semi-solid agarose procedure to minimize clonal bias that would occur
in a liquid amplification. The libraries should be amplified 10-100,000
fold. Once amplified, the DNA isolated from the libraries should
undergo a Cot-500 normalization using subtractive hybridization
technology. The DNA is again transformed into E. coli to produce a
final copy of the normalized cDNA library containing a minimum of 5 x
106 unique clones with an average insert size >1 kb.Completion of
the normalized library from the primary libraries has to be done in 4-6
weeks. The resultant normalized library should have reduced abundant
genes by 10-100 fold. Levels of ribosomal RNA clones also need to be
determined by colony hybridization. All steps used to produce the cDNA
library must be assured by a quality control process. All residual
materials need to be returned to our laboratory. A copy of the
solicitation will be made by WRITTEN REQUEST ONLY. This solicitation
incorporates clauses that are in effect through Federal Acquisition
Circular 97-17. This acquisition will be solicited on a unrestricted
basis. The Standard Industrial Classification Code is 8731. Delivery is
required 30 days after award of this solicitation. Delivery shall be
F.O.B. Destination to the U.S. Department of Agriculture in Beltsville,
Maryland. Any interested/qualified sources who can provide the item
stated above, must respond by July 7, 2000. All responses will be
evaluated in order to determine the capabilities stated in the RFQ. The
Government will award a contract resulting from this solicitation to
the responsive/responsible offerer whose quote conforms to the
solicitation and will be most advantageous to the Government based on
price. This procurement shall be conducted under FAR Part 12,
Commercial Items. Posted 06/20/00 (W-SN466460). (0172) Loren Data Corp. http://www.ld.com (SYN# 0249 20000622\66-0011.SOL)
66 - Instruments and Laboratory Equipment Index Page
|
|