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KNOTTED1-like homeobox genes of a gymnosperm, Norway spruce, expressed during somatic embryogenesis

Hjortswang, H I (author)
Sundås Larsson, Annika (author)
Södertörns högskola,Avdelning Naturvetenskap
Bharathan, G (author)
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Bozhkov, P V (author)
von Arnold, S (author)
Vahala, T (author)
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 (creator_code:org_t)
2002
2002
English.
In: Plant physiology and biochemistry (Paris). - 0981-9428 .- 1873-2690. ; 40:10, s. 837-843
  • Journal article (peer-reviewed)
Abstract Subject headings
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  • Two Norway spruce (Picea abies (L.) Karst.) genes belonging to class I of the KNOTTED1-like homeobox (KNOX) genes, HBK2 and HBK3, were cloned with PCR-based methods. The expression of these and a previously characterised related gene, HBK1, in different organs and during somatic embryogenesis was studied with RTPCR. Transcripts of all three genes were detected in stems, roots and in cone buds, but not in needles. HBK1 and HBK3 are expressed throughout development in a normal cell line with embryogenic potential and in a cell line unable to form somatic embryos. HBK2 is expressed in the normal cell line, but not in the developmentally arrested cell line. This suggests that the HBK2 gene is involved in the somatic embryo development.

Subject headings

NATURVETENSKAP  -- Biologi -- Botanik (hsv//swe)
NATURAL SCIENCES  -- Biological Sciences -- Botany (hsv//eng)

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Hjortswang, H I
Sundås Larsson, ...
Bharathan, G
Bozhkov, P V
von Arnold, S
Vahala, T
About the subject
NATURAL SCIENCES
NATURAL SCIENCES
and Biological Scien ...
and Botany
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Plant physiology ...
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Södertörn University

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