Expression of the bovine growth hormone alters the root morphology in transgenic tobacco plants

Kyunghee Oh, Ban Yoon Cheon, Sung Hyun Cho, Hoang Quoc Truong, Sung Han Ok, Ji Ung Jeung, Jang Won Choi, Jeong Sheop Shin

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

The bovine growth hormone (bGH) is a natural peptide hormone that controls the differentiation, growth and metabolism, and is produced in the pituitary gland of cows. For the production of bGH from plants, two different bgh clones, of which the pGAbGH1 contaions only mature peptide sequences and the pGAbGH15 contains signal sequences and the first intron, as well as mature peptide sequences, were used. Those bghs under the control of the CaMV 35S promoter and NOS terminator were introduced to tobacco plants via Agrobacterium tumefaciens-mediated transformation. By PCR analyses using bgh and nptII specific primers, 17 and 21 putative transformants were respectively selected from pGAbGH1- and pGAbGH15-transformed tobacco plants. Northern blot analysis showed that the most of the transgenic lines expressed the bgh mRNA. Western blot analysis revealed that the pGAbGH1-transformed tobaccos produced recombinant bGH, but pGAbGH15-transformed ones did not produce the protein. Interestingly, some morphological changes were observed in the roots of transgenic tobacco plants. The transgenic tobacco plants had thick and short roots containing few root hairs in contrast to the non-transformed wild type plants.

Original languageEnglish
Pages (from-to)363-367
Number of pages5
JournalTransgenic Research
Volume12
Issue number3
DOIs
Publication statusPublished - 2003 Jun 1

Fingerprint

Genetically Modified Plants
somatotropin
Tobacco
tobacco
genetically modified organisms
Agrobacterium tumefaciens
Peptides
peptides
Peptide Hormones
Pituitary Gland
peptide hormones
Protein Sorting Signals
pituitary gland
Northern Blotting
Introns
Growth Hormone
root hairs
signal peptide
Agrobacterium radiobacter
Northern blotting

Keywords

  • Agrobacterium-mediated transformation
  • Bovine growth hormone (bGH)
  • Phenotypic change
  • Transgenic tobacco

ASJC Scopus subject areas

  • Food Science
  • Plant Science
  • Biotechnology
  • Genetics
  • Molecular Biology
  • Applied Microbiology and Biotechnology

Cite this

Expression of the bovine growth hormone alters the root morphology in transgenic tobacco plants. / Oh, Kyunghee; Cheon, Ban Yoon; Cho, Sung Hyun; Truong, Hoang Quoc; Ok, Sung Han; Jeung, Ji Ung; Choi, Jang Won; Shin, Jeong Sheop.

In: Transgenic Research, Vol. 12, No. 3, 01.06.2003, p. 363-367.

Research output: Contribution to journalArticle

Oh, Kyunghee ; Cheon, Ban Yoon ; Cho, Sung Hyun ; Truong, Hoang Quoc ; Ok, Sung Han ; Jeung, Ji Ung ; Choi, Jang Won ; Shin, Jeong Sheop. / Expression of the bovine growth hormone alters the root morphology in transgenic tobacco plants. In: Transgenic Research. 2003 ; Vol. 12, No. 3. pp. 363-367.
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