removal of the fraction of cdna which could react with 25 degrees c rna and subsequent in situ hybridization of heat shock specific cdna indicated that locus 4-81 b , a major salivary gland heat shock locus , is also active at 25 degrees c in tissue culture cells , while locus 4-85 b is specifically activated by heat shock in tissue culture cells .
C1708726
locus
C0007634
cells