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Updated: Jul 26, 2026

Non-radioactive in situ Hybridization Protocol Applicable for Norway Spruce and a Range of Plant Species
Published on: April 17, 2009
In situ Western hybridization: a new, highly sensitive technique to detect foreign and endogenous protein
1Laboratory of Genetic Engineering, Department of Plant Biotechnology, National Institute of Agrobiological Sciences, 305-8602 Tsukuba, Ibarai, Japan.
Abstract:
We have developed a highly sensitive in situ Western hybridization technique to study tissue-specific expression of foreign and endogenous genes in transgenic and non-transformed rice seed. The expression pattern of the soybean ferritin gene directed by a rice glutelin gene promoter, GluB-1, in transgenic rice seed revealed by this method was exactly the same as that revealed by immunological tissue printing but much clearer than the latter, and corresponded well to the results of GluB-1 promoter characterization studies. This method provides an alternative choice for studying the tissue-specific expression of a promoter, omitting the complicated transgenic procedure. The method can also be used to study the expression and accumulation pattern of endogenous genes, such as glutelin and prolamine genes, in non-transformed plants.
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