A new strain of Arthrinium phaeospermum isolated from Carex kobomugi Ohwi is capable of gibberellin production

Sumera Afzal Khan; Muhammad Hamayun; Ho Youn Kim; Hyeok Jun Yoon; Jong Cheol Seo; Yeon Sik Choo; In Jung Lee; Sang Dal Kim; In Koo Rhee; Jong Guk Kim

doi:10.1007/s10529-008-9862-7

A new strain of Arthrinium phaeospermum isolated from Carex kobomugi Ohwi is capable of gibberellin production

Sumera Afzal Khan, Muhammad Hamayun, Ho Youn Kim, Hyeok Jun Yoon, Jong Cheol Seo, Yeon Sik Choo, In Jung Lee, Sang Dal Kim, In Koo Rhee, Jong Guk Kim

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Abstract

Plant growth-promoting endophytic fungi with gibberellin-producing ability were isolated from the roots of Carex kobomugi Ohwi, a common sand-dune plant, and bioassayed for plant growth-promotion. A new strain, Arthrinium phaeospermum KACC43901, promoted growth of waito-c rice and Atriplex gemelinii. Analysis of its culture filtrate showed the presence of bioactive GA₁ (0.5 ng/ml), GA₃ (8.8 ng/ml), GA₄ (4.7 ng/ml) and GA ₇ (2.2 ng/ml) along with physiologically inactive GA₅ (0.4 ng/ml), GA₉ (0.6 ng/ml), GA₁₂ (0.4 ng/ml), GA ₁₅ (0.4 ng/ml), GA₁₉ (0.9 ng/ml) and GA₂₄ (1.8 ng/ml). The fungal isolate was identified through sequence homology and phylogenetic analysis of 18S rDNA (internal transcribed region).

Original language	English
Pages (from-to)	283-287
Number of pages	5
Journal	Biotechnology Letters
Volume	31
Issue number	2
DOIs	https://doi.org/10.1007/s10529-008-9862-7
State	Published - Feb 2009

Keywords

Arthrinium phaeospermum
Carex kobomugi Ohwi
Gibberellin production
Growth-promoting fungi
Sand-dune flora

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10.1007/s10529-008-9862-7

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title = "A new strain of Arthrinium phaeospermum isolated from Carex kobomugi Ohwi is capable of gibberellin production",

abstract = "Plant growth-promoting endophytic fungi with gibberellin-producing ability were isolated from the roots of Carex kobomugi Ohwi, a common sand-dune plant, and bioassayed for plant growth-promotion. A new strain, Arthrinium phaeospermum KACC43901, promoted growth of waito-c rice and Atriplex gemelinii. Analysis of its culture filtrate showed the presence of bioactive GA1 (0.5 ng/ml), GA3 (8.8 ng/ml), GA4 (4.7 ng/ml) and GA 7 (2.2 ng/ml) along with physiologically inactive GA5 (0.4 ng/ml), GA9 (0.6 ng/ml), GA12 (0.4 ng/ml), GA 15 (0.4 ng/ml), GA19 (0.9 ng/ml) and GA24 (1.8 ng/ml). The fungal isolate was identified through sequence homology and phylogenetic analysis of 18S rDNA (internal transcribed region).",

keywords = "Arthrinium phaeospermum, Carex kobomugi Ohwi, Gibberellin production, Growth-promoting fungi, Sand-dune flora",

author = "Khan, {Sumera Afzal} and Muhammad Hamayun and Kim, {Ho Youn} and Yoon, {Hyeok Jun} and Seo, {Jong Cheol} and Choo, {Yeon Sik} and Lee, {In Jung} and Kim, {Sang Dal} and Rhee, {In Koo} and Kim, {Jong Guk}",

year = "2009",

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doi = "10.1007/s10529-008-9862-7",

language = "English",

volume = "31",

pages = "283--287",

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publisher = "Springer Netherlands",

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AU - Khan, Sumera Afzal

AU - Hamayun, Muhammad

AU - Kim, Ho Youn

AU - Yoon, Hyeok Jun

AU - Seo, Jong Cheol

AU - Choo, Yeon Sik

AU - Lee, In Jung

AU - Kim, Sang Dal

AU - Rhee, In Koo

AU - Kim, Jong Guk

PY - 2009/2

Y1 - 2009/2

N2 - Plant growth-promoting endophytic fungi with gibberellin-producing ability were isolated from the roots of Carex kobomugi Ohwi, a common sand-dune plant, and bioassayed for plant growth-promotion. A new strain, Arthrinium phaeospermum KACC43901, promoted growth of waito-c rice and Atriplex gemelinii. Analysis of its culture filtrate showed the presence of bioactive GA1 (0.5 ng/ml), GA3 (8.8 ng/ml), GA4 (4.7 ng/ml) and GA 7 (2.2 ng/ml) along with physiologically inactive GA5 (0.4 ng/ml), GA9 (0.6 ng/ml), GA12 (0.4 ng/ml), GA 15 (0.4 ng/ml), GA19 (0.9 ng/ml) and GA24 (1.8 ng/ml). The fungal isolate was identified through sequence homology and phylogenetic analysis of 18S rDNA (internal transcribed region).

AB - Plant growth-promoting endophytic fungi with gibberellin-producing ability were isolated from the roots of Carex kobomugi Ohwi, a common sand-dune plant, and bioassayed for plant growth-promotion. A new strain, Arthrinium phaeospermum KACC43901, promoted growth of waito-c rice and Atriplex gemelinii. Analysis of its culture filtrate showed the presence of bioactive GA1 (0.5 ng/ml), GA3 (8.8 ng/ml), GA4 (4.7 ng/ml) and GA 7 (2.2 ng/ml) along with physiologically inactive GA5 (0.4 ng/ml), GA9 (0.6 ng/ml), GA12 (0.4 ng/ml), GA 15 (0.4 ng/ml), GA19 (0.9 ng/ml) and GA24 (1.8 ng/ml). The fungal isolate was identified through sequence homology and phylogenetic analysis of 18S rDNA (internal transcribed region).

KW - Arthrinium phaeospermum

KW - Carex kobomugi Ohwi

KW - Gibberellin production

KW - Growth-promoting fungi

KW - Sand-dune flora

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ER -

A new strain of Arthrinium phaeospermum isolated from Carex kobomugi Ohwi is capable of gibberellin production

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