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Mouse Cot-1 DNA
Mouse Cot-1 DNA

Mouse Cot1 DNA is genomic DNA extracted from mouse liver, with fragment sizes mainly ranging from 50 to 300 bp. It is rich in rodentspecific repetitive DNA sequences such as B1, B2, and L1 families, and serves as a core blocking reagent for rodentrelated nucleic acid hybridization experiments. It can effectively block nonspecific hybridization in microarray screening. Moreover, it suppresses nonspecific binding of rodent repetitive DNA sequences during In situ hybridization and Southern blot mapping of rodent clones, and accurately identifies mouse clones in somatic cell hybrid libraries derived from mousehamster hybrid cells. This product adopts a unique fragmentation process, ensuring that more than 50% of fragments fall within the optimal range of 50–300 bp, with a blocking efficiency of over 95%. It also features strict quality control standards and high batchtobatch consistency, which significantly reduce experimental background signals and improve result accuracy. It provides reliable support for various rodentrelated experiments, including Northern hybridization and liquid-phase hybridization capture.


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Mouse Cot-1 DNA

1. Product Introduction

Mouse Cot1DNA is extracted from mouse liver DNA, with most fragments ranging from 50 to 300 bp. It is rich in repetitive DNA sequences, such as B1, B2, and L1 family members. Mouse Cot1 DNA is commonly used to block nonspecific hybridization in microarray screening. It can also be used to suppress hybridization of rodent repetitive DNA sequences (when mapping rodent clones by in situ hybridization or Southern blotting) and to identify mouse clonesin somatic cell hybrid library screening derived from mousehamster hybrid cells.

     

2. Applications

Mouse Cot-1 DNA is mainly used in Northern blotting, Southern blotting, in situ hybridization (tissue In situ hybridization, somatic cell In situ hybridization, fluorescence In situ hybridization), and liquid-phase hybridization capture. In addition, Mouse Cot-1 DNA can also be used as a library screening probe for the screening of somatic cell hybrid libraries and flow-sorted chromosome libraries constructed from somatic cell hybrids.

   

Figure 1. Application scenarios of Mouse Cot1 DNA

References

[1] Bao P, Frutos A. G, Greef C .et al.Anal Chem (2002) 74:1792-1799.

[2] Tang Y M, Wo Y Y,Stewart J,.et al.JBiol Chem (1996) 271:28324-28354.

[3] Trifonov V.A, Vorobieva N.N, RensW. Springer (2009): FISH With and Without COT1 DNA.