Use of plant growth-promoting rhizobacteria to control stress responses of plant roots

Bin Goo Kang, Woo Taek Kim, Hye Sup Yun, Soo Chul Chang

Research output: Contribution to journalReview article

58 Citations (Scopus)

Abstract

Abstracts: Ethylene is a key gaseous hormone that controls various physiological processes in plants including growth, senescence, fruit ripening, and responses to abiotic and biotic stresses. In spite of some of these positive effects, the gas usually inhibits plant growth. While chemical fertilizers help plants grow better by providing soil-limited nutrients such as nitrogen and phosphate, over-usage often results in growth inhibition by soil contamination and subsequent stress responses in plants. Therefore, controlling ethylene production in plants becomes one of the attractive challenges to increase crop yields. Some soil bacteria among plant growth-promoting rhizobacteria (PGPRs) can stimulate plant growth even under stressful conditions by reducing ethylene levels in plants, hence the term "stress controllers" for these bacteria. Thus, manipulation of relevant genes or gene products might not only help clear polluted soil of contaminants but contribute to elevating the crop productivity. In this article, the beneficial soil bacteria and the mechanisms of reduced ethylene production in plants by stress controllers are discussed.

Original languageEnglish
Pages (from-to)179-183
Number of pages5
JournalPlant Biotechnology Reports
Volume4
Issue number3
DOIs
Publication statusPublished - 2010 Jul 1

Fingerprint

Plant Roots
plant growth-promoting rhizobacteria
stress response
Growth
Soil
soil bacteria
plant growth
soil pollution
controllers
ethylene production
ethylene
Bacteria
biotic stress
polluted soils
growth retardation
abiotic stress
Plant Physiological Phenomena
crop yield
ripening
genes

All Science Journal Classification (ASJC) codes

  • Biotechnology
  • Plant Science

Cite this

Kang, Bin Goo ; Kim, Woo Taek ; Yun, Hye Sup ; Chang, Soo Chul. / Use of plant growth-promoting rhizobacteria to control stress responses of plant roots. In: Plant Biotechnology Reports. 2010 ; Vol. 4, No. 3. pp. 179-183.
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Use of plant growth-promoting rhizobacteria to control stress responses of plant roots. / Kang, Bin Goo; Kim, Woo Taek; Yun, Hye Sup; Chang, Soo Chul.

In: Plant Biotechnology Reports, Vol. 4, No. 3, 01.07.2010, p. 179-183.

Research output: Contribution to journalReview article

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AU - Kang, Bin Goo

AU - Kim, Woo Taek

AU - Yun, Hye Sup

AU - Chang, Soo Chul

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N2 - Abstracts: Ethylene is a key gaseous hormone that controls various physiological processes in plants including growth, senescence, fruit ripening, and responses to abiotic and biotic stresses. In spite of some of these positive effects, the gas usually inhibits plant growth. While chemical fertilizers help plants grow better by providing soil-limited nutrients such as nitrogen and phosphate, over-usage often results in growth inhibition by soil contamination and subsequent stress responses in plants. Therefore, controlling ethylene production in plants becomes one of the attractive challenges to increase crop yields. Some soil bacteria among plant growth-promoting rhizobacteria (PGPRs) can stimulate plant growth even under stressful conditions by reducing ethylene levels in plants, hence the term "stress controllers" for these bacteria. Thus, manipulation of relevant genes or gene products might not only help clear polluted soil of contaminants but contribute to elevating the crop productivity. In this article, the beneficial soil bacteria and the mechanisms of reduced ethylene production in plants by stress controllers are discussed.

AB - Abstracts: Ethylene is a key gaseous hormone that controls various physiological processes in plants including growth, senescence, fruit ripening, and responses to abiotic and biotic stresses. In spite of some of these positive effects, the gas usually inhibits plant growth. While chemical fertilizers help plants grow better by providing soil-limited nutrients such as nitrogen and phosphate, over-usage often results in growth inhibition by soil contamination and subsequent stress responses in plants. Therefore, controlling ethylene production in plants becomes one of the attractive challenges to increase crop yields. Some soil bacteria among plant growth-promoting rhizobacteria (PGPRs) can stimulate plant growth even under stressful conditions by reducing ethylene levels in plants, hence the term "stress controllers" for these bacteria. Thus, manipulation of relevant genes or gene products might not only help clear polluted soil of contaminants but contribute to elevating the crop productivity. In this article, the beneficial soil bacteria and the mechanisms of reduced ethylene production in plants by stress controllers are discussed.

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