An Endophytic Actinomycete, Streptomyces sp. MBR-52, That Accelerates Emergence and Elongation of Plant Adventitious Roots
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- Meguro Akane
- Institute for Biological Process Research, Akatsuka Garden Co. Ltd.
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- Ohmura Yohko
- Graduate School of Bioresources, Mie University
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- Hasegawa Sachiko
- Institute for Biological Process Research, Akatsuka Garden Co. Ltd.
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- Shimizu Masafumi
- Graduate School of Bioresources, Mie University
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- Nishimura Tomio
- Institute for Biological Process Research, Akatsuka Garden Co. Ltd.
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- Kunoh Hitoshi
- Institute for Biological Process Research, Akatsuka Garden Co. Ltd.
書誌事項
- タイトル別名
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- endophytic actinomycete Streptomyces sp MBR 52 that accelerates emergence and elongation of plant adventitious roots
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More than 100 isolates of endophytic actinomycetes were obtained from field-grown rhododendron. By root-growth tests using cucumber germlings, one isolate, MBR-52, was selected as a final candidate to accelerate rooting of tissue-cultured rhododendron. Re-isolation test proved that when tissue-cultured seedlings of rhododendron were treated with MBR-52 in flasks, this isolate colonized in the seedlings and survived there even after their transplanting in soil. Another transplanting test revealed that emergence of adventitious roots was prominently accelerated in the MBR-52-treated tissue-cultured seedlings, suggesting that MBR-52 might release some type of rooting-promoting plant hormone(s). In addition to nucleotide sequence analysis of 16S rDNA, cultural, physiological, chemical and morphological characterizations showed that MBR-52 belongs to a strain of Streptomyces sp. MBR-52 certainly gives a great practical advantage to shorten the acclimatization period of tissue-cultured seedlings in warm and humid environment which very frequently increases the disease-infection risk of the seedlings.
収録刊行物
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- 日本放線菌学会誌
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日本放線菌学会誌 20 (1), 1-9, 2006
日本放線菌学会
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詳細情報 詳細情報について
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- CRID
- 1390001204702601088
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- NII論文ID
- 130004487548
- 10017189804
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- NII書誌ID
- AN10080091
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- DOI
- 10.3209/saj.20.1
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- COI
- 1:CAS:528:DC%2BD28XhtVakt7vM
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- ISSN
- 18816371
- 09145818
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- NDL書誌ID
- 8027157
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- NDL
- Crossref
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可