THE ANALYSIS OF THE DOWNSTREAM GMNARK-REGULATED SIGNALING PATHWAY FORAUTOREGULATION OF NODULATION IN SOYBEAN (GLYCINE MAX L.)

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IZADI DARBANDI A.; KINKEMA M.; YAZDI SAMADI B.; MANSOURI O.; SHAHNEZHAT BOUSHEHRI A.A.; GRESSHOFF P.M.

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Journal: MODERN GENETICS JOURNAL (MGJ) Year:2007 | Volume:2 | Issue:2 Page(s): 29-40

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Title

THE ANALYSIS OF THE DOWNSTREAM GMNARK-REGULATED SIGNALING PATHWAY FORAUTOREGULATION OF NODULATION IN SOYBEAN (GLYCINE MAX L.)

Author(s)

Keywords

SOYBEANQ2

AUTOREGULATION OF NODULATION (AON)Q3

AFFYMETRIX MICROARRAYQ3

QRT-PCRQ3

Abstract

Some plants are naturally able to acquire nitrogen from the air through a process called symbiotic nitrogen fixation. In SOYBEAN, a close interaction between the root and Bradyrhizobium japonicum results in the formation of nitrogen-fixing nodules. Both partners benefit from this interaction: the bacterium gains sugar from the plant, and the plant gains reduced nitrogen. Regulation of this symbiosis is necessary for optimal plant development. Auto regulation of Nodulation (AON) is the main genetically-controlled mechanism that regulates nodulation. To identify genes that function in either the shoot or root to regulate AON we have utilized transcriptional profiling and quantitative real-time reverse transcriptase (QRT) PCR to analyze gene expression in wild type and the GmNARKAON mutant. QRT-PCR experiments confirmed the expression of two genes (GmaAffx.32318.1 and Gm.5873) that were predicted by AFFYMETRIX MICROARRAY analyses to be decreased in wild type related to mutant and regulated in the leaf by GmNARK in a rhizobia-independent manner. One of these genes (GmaAffx.32318.1) that were sequenced is predicted to encode a Ca-transporter, with 80% similarity to a heterologous gene in rice. QRT-PC Ranalyses for another 4 candidate genes didn't show any significant differences between wild type and GmNARK mutant plants, as suggested by the microarray analyses. Microarray and QRTPCR analyses of gene expression in specific root zones of wild type and GmNARK mutant plants suggests that a HMG-CoA reductase I may function in the root to regulate nodule number. This gene was cloned by BAC library Screening and its predicted protein has 85% similarity to HMGRl of Arabidopsis. The discovery of new components in the AON circuit enriches our ability to investigate systemic control of plant development and its integrative in kages to other signaling networks.

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APA: Copy

IZADI DARBANDI, A., KINKEMA, M., YAZDI SAMADI, B., MANSOURI, O., SHAHNEZHAT BOUSHEHRI, A.A., & GRESSHOFF, P.M.. (2007). THE ANALYSIS OF THE DOWNSTREAM GMNARK-REGULATED SIGNALING PATHWAY FORAUTOREGULATION OF NODULATION IN SOYBEAN (GLYCINE MAX L.). MODERN GENETICS JOURNAL (MGJ), 2(2), 29-40. SID. https://sid.ir/paper/116662/en

Vancouver: Copy

IZADI DARBANDI A., KINKEMA M., YAZDI SAMADI B., MANSOURI O., SHAHNEZHAT BOUSHEHRI A.A., GRESSHOFF P.M.. THE ANALYSIS OF THE DOWNSTREAM GMNARK-REGULATED SIGNALING PATHWAY FORAUTOREGULATION OF NODULATION IN SOYBEAN (GLYCINE MAX L.). MODERN GENETICS JOURNAL (MGJ)[Internet]. 2007;2(2):29-40. Available from: https://sid.ir/paper/116662/en

IEEE: Copy

A. IZADI DARBANDI, M. KINKEMA, B. YAZDI SAMADI, O. MANSOURI, A.A. SHAHNEZHAT BOUSHEHRI, and P.M. GRESSHOFF, “THE ANALYSIS OF THE DOWNSTREAM GMNARK-REGULATED SIGNALING PATHWAY FORAUTOREGULATION OF NODULATION IN SOYBEAN (GLYCINE MAX L.),” MODERN GENETICS JOURNAL (MGJ), vol. 2, no. 2, pp. 29–40, 2007, [Online]. Available: https://sid.ir/paper/116662/en

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