Analysis of mycorrhizal associations formed by Cistus incanus transformed root clones with Terfezia boudieri isolates

M. Zaretsky; V. Kagan-Zur; D. Mills; Nurit Bejerano

doi:10.1007/s00299-005-0035-z

Analysis of mycorrhizal associations formed by Cistus incanus transformed root clones with Terfezia boudieri isolates

M. Zaretsky, V. Kagan-Zur, D. Mills, Nurit Bejerano

Department of Life Sciences

Research output: Contribution to journal › Article › peer-review

26 Scopus citations

Abstract

One clone (M-2), out of several Agrobacterium rhizogenes transformed root clones of Cistus incanus, formed ecto- or endomycorrhiza in vitro with two isolates of Terfezia boudieri collected in Israel. All other clone-fungal isolate combinations formed ectomycorrhiza. The endomycorrhiza-forming isolate secreted smaller amounts of auxin than an ectomycorrhiza-forming isolate. Addition of 2,4-dichlorophenoxyacetic acid (2,4-D) led to ectomycorrhiza formation by the M-2 clone on low P medium. Endomycorrhizas were formed by both M-2 and a control clone with the same T. boudieri isolates on high P medium with 2,4-D. The M-2 clone of C. incanus exhibited greater sensitivity to exogenous auxins (IAA and 2,4-D) than other clones, and clonal sensitivity to auxin was increased tenfold under low P conditions. Results are discussed in relation to phosphate and auxin influence on T. boudieri-C. incanus interaction.

Original language	English
Pages (from-to)	62-70
Number of pages	9
Journal	Plant Cell Reports
Volume	25
Issue number	1
DOIs	https://doi.org/10.1007/s00299-005-0035-z
State	Published - 1 Feb 2006

Keywords

Auxin
Mycorrhiza
Phosphate
Terfezia
Transformed roots

ASJC Scopus subject areas

Agronomy and Crop Science
Plant Science

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10.1007/s00299-005-0035-z

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title = "Analysis of mycorrhizal associations formed by Cistus incanus transformed root clones with Terfezia boudieri isolates",

abstract = "One clone (M-2), out of several Agrobacterium rhizogenes transformed root clones of Cistus incanus, formed ecto- or endomycorrhiza in vitro with two isolates of Terfezia boudieri collected in Israel. All other clone-fungal isolate combinations formed ectomycorrhiza. The endomycorrhiza-forming isolate secreted smaller amounts of auxin than an ectomycorrhiza-forming isolate. Addition of 2,4-dichlorophenoxyacetic acid (2,4-D) led to ectomycorrhiza formation by the M-2 clone on low P medium. Endomycorrhizas were formed by both M-2 and a control clone with the same T. boudieri isolates on high P medium with 2,4-D. The M-2 clone of C. incanus exhibited greater sensitivity to exogenous auxins (IAA and 2,4-D) than other clones, and clonal sensitivity to auxin was increased tenfold under low P conditions. Results are discussed in relation to phosphate and auxin influence on T. boudieri-C. incanus interaction.",

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AU - Kagan-Zur, V.

AU - Mills, D.

AU - Bejerano, Nurit

PY - 2006/2/1

Y1 - 2006/2/1

N2 - One clone (M-2), out of several Agrobacterium rhizogenes transformed root clones of Cistus incanus, formed ecto- or endomycorrhiza in vitro with two isolates of Terfezia boudieri collected in Israel. All other clone-fungal isolate combinations formed ectomycorrhiza. The endomycorrhiza-forming isolate secreted smaller amounts of auxin than an ectomycorrhiza-forming isolate. Addition of 2,4-dichlorophenoxyacetic acid (2,4-D) led to ectomycorrhiza formation by the M-2 clone on low P medium. Endomycorrhizas were formed by both M-2 and a control clone with the same T. boudieri isolates on high P medium with 2,4-D. The M-2 clone of C. incanus exhibited greater sensitivity to exogenous auxins (IAA and 2,4-D) than other clones, and clonal sensitivity to auxin was increased tenfold under low P conditions. Results are discussed in relation to phosphate and auxin influence on T. boudieri-C. incanus interaction.

AB - One clone (M-2), out of several Agrobacterium rhizogenes transformed root clones of Cistus incanus, formed ecto- or endomycorrhiza in vitro with two isolates of Terfezia boudieri collected in Israel. All other clone-fungal isolate combinations formed ectomycorrhiza. The endomycorrhiza-forming isolate secreted smaller amounts of auxin than an ectomycorrhiza-forming isolate. Addition of 2,4-dichlorophenoxyacetic acid (2,4-D) led to ectomycorrhiza formation by the M-2 clone on low P medium. Endomycorrhizas were formed by both M-2 and a control clone with the same T. boudieri isolates on high P medium with 2,4-D. The M-2 clone of C. incanus exhibited greater sensitivity to exogenous auxins (IAA and 2,4-D) than other clones, and clonal sensitivity to auxin was increased tenfold under low P conditions. Results are discussed in relation to phosphate and auxin influence on T. boudieri-C. incanus interaction.

KW - Auxin

KW - Mycorrhiza

KW - Phosphate

KW - Terfezia

KW - Transformed roots

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DO - 10.1007/s00299-005-0035-z

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Analysis of mycorrhizal associations formed by Cistus incanus transformed root clones with Terfezia boudieri isolates

Abstract

Keywords

ASJC Scopus subject areas

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