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Affiliation |
IWATE University Faculty of Agriculture Department of Plant-bioscience |
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Position |
Associate Professor |
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Laboratory Address |
〒020-8550 ueda 3-choume 18-8 morioka shi, iwate ken |
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Keywords |
Plant hormone, abiotic stress |
RAHMAN Abidur
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Graduating School 【 display / non-display 】
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-1994.03
Dhaka University, Bangladesh Faculty of Science Biochemistry Graduated
Classification of School：University
Graduate School 【 display / non-display 】
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-1995.03
Dhaka University Graduate School, Division of Natural Science Plant Biochemistry Master's Course Completed
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-2001.09
Kobe University Graduate School, Division of Science and Technology Plant Biochemistry Doctor's Course Completed
Degree 【 display / non-display 】
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Kobe University - PhD in bioscience 2001.09.30
Degree Field : Plant molecular biology/Plant physiology
Campus Career 【 display / non-display 】
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2006.10-Now
IWATE University Faculty of Agriculture Field Science Center Associate Professor [Duty]
External Career 【 display / non-display 】
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2001.10-2006.09
University of Massachusetts Chief Researcher
Research Field (grants-in-aid-for-scientific-research classification) 【 display / non-display 】
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Plant molecular biology/Plant physiology
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Cell biology
Recommended URL 【 display / non-display 】
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Laboratory home page
Message 【 display / non-display 】
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The primary research interest of my lab lies in understanding the hormonal regulation of plant growth and development under optimum condition and various stresses. For this, we are primarily focusing on the plant hormone auxin, which influences plant behavior from embryogenesis to senescence and exhibits complex interactions with other hormones.
Course Subject 【 display / non-display 】
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2007
Advanced Study on Molecular Biology
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2007
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2008
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2008
Undergraduate Research
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2008
Advanced Study on Molecular Biology
Research Career 【 display / non-display 】
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Auxin-ethylene response pathway
Periods of research：
1997.10-NowKeywords : Auxin, ethylene, influx carrier, AUX1, actin
Style of Research： Individual
Research Program： The Other Research Programs
Research Field (grants-in-aid-for-scientific-research classification)
Plant molecular biology/Plant physiology ,
Contents of Research Career
Investigating the molecular signaling pathway of native auxin Indole-3-acetic acid and its chemical analogue 2,4-dichlorophenoxyacetic acid. The other focus of my research is the hormonal cross talk of auxin abd ethylene and its molecular regulation.
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Actin-auxin interaction in regulating the cell division process in plant
Periods of research：
2004.04-NowKeywords : cell cytoskeleton, actin, microtubule, auxin
Style of Research： Individual
Research Program： The Other Research Programs
Research Field (grants-in-aid-for-scientific-research classification)
Cell biology ,
Contents of Research Career
Both auxin and actin have been shown to be involved in regulating the cell division in plant. However, the precise mechanism is still unknown. This research theme is dedicated to elucidate the molecular mechanism of auxin-actin interacrtion and its effec on regulating the cell division in Arabidopsis.
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Understanding the molecular mechanism of 2,4-dichlorophenoxyacetic acid (2,4-D) effect on cellular actin organization and its impact on selective herbicidal action
Periods of research：
2009.04-NowKeywords : 2,4-D, cell death, herbicide
Style of Research： Individual
Research Program： Basic Science Research on Life Science
Research Field (grants-in-aid-for-scientific-research classification)
Plant molecular biology/Plant physiology ,
Contents of Research Career
2,4-dicholorophenoxyacetic acid, a chemical analogue of auxin, IAA has been used as selective herbicide for more than 5 decades. However, the molecular mechanism how this auxinic herbicide selectively kills dicot plants remain obscure. Our previous results suggest that 2,4-D targets cellular actin to inhibit the plant growth and development (Rahman et al., 2007). This selectivity of 2,4-D lead us to hypothesize that actin mediated cell death may be the mechanism by which it shows its selective herbicidal action. We are testing this hypothesis by using molecular and cell biological approaches in both dicot and monocot plants.
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Understanding the role of auxin in regulating the plant growth and development under temperature stress
Periods of research：
2009.04-NowKeywords : Auxin, cold stress, high temperature, protein trafficking
Style of Research： Individual
Research Program： The Other Research Programs
Research Field (grants-in-aid-for-scientific-research classification)
Plant molecular biology/Plant physiology ,
Contents of Research Career
Plant hormone, auxin, virtually controls every aspect of growth and development through acting in concert with other hormones.Although a lot of efforts have been made to date to elucidate the transcriptional regulators that play key roles in temperature stress, surprisingly less effort has been made to understand the roles of horomones in regulating the temperature stress. We have been trying to understand the role of auxin and other hormones in regulating growth and development under temperature stress. Our data suggest that both at high or low temperature stresses auxin homeostasis plays a major role in controlling the plant growth and development. We further showed that the auxin homeostasis is regulated by the intracellular protein trafficking (Shibasaki et al., 2009; Hanzawa et al., 2013). Currently we are focusing on identifying the specific intracellular trafficking pathways that play regulatory roles in determining the auxin and other hormones response under temperature stress.
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Elucidating the molecular mechanism of IBA action and transport in Arabidopsis
Periods of research：
2010.04-NowKeywords : IBA, mutant, ecotype, Arabidopsis
Style of Research： Individual
Research Program： Basic Science Research on Life Science
Research Field (grants-in-aid-for-scientific-research classification)
Plant molecular biology/Plant physiology ,
Contents of Research Career
The majority of the research conducted on auxin has been predominantly focused on the Indole-3-acetic acid (IAA), the primary free auxin in most plants, yet there is another abundant auxin Indole-3-butyric acid (IBA) which approaches the level of free IAA in some plant species including Arabidopsis (Ludwig-Muller, 2000). Surprisingly, much less attention has been paid to elucidate the molecular action of this hormone assuming that IBA acts via IAA pathways. However, recent results clearly showed that IBA does not require either the IAA uptake carrier AUX1 or efflux carrier PIN2 for its cellular transport (Rashotte et al., 2003). In addition IBA has been shown to effect the hypocotyl elongation and lateral root formation differentially than of IAA. Collectively, these results suggest that IBA signaling and transports are possibly mediated by yet-unidentified novel pathways. We are using both conventional mutant screening and ecotype screening to find out the novel factors.
Published Papers 【 display / non-display 】
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Structure-Function Analysis of the presumptive Arabidopsis Auxin Permease AUX1.
Swarup R, Kargul J, Marchant A, Zadik D, Rahman A, Mills R, Yemm A, May S, Williams L, Millner P, Tsurumi S, Moore I, Napier R, Kerr ID, Bennett MJ
Plant Cell 16 ( 11 ) 3069 - 3083 2004.10 [Refereed]
Academic Journal Multiple authorship
We have investigated the subcellular localization, the domain topology, and the amino acid residues that are critical for the function of the presumptive Arabidopsis thaliana auxin influx carrier AUX1. Biochemical fractionation experiments and confocal studies using an N-terminal yellow fluorescent protein (YFP) fusion observed that AUX1 colocalized with plasma membrane (PM) markers. Because of its PM localization, we were able to take advantage of the steep pH gradient that exists across the plant cell PM to investigate AUX1 topology using YFP as a pH-sensitive probe. The YFP-coding sequence was inserted in selected AUX1 hydrophilic loops to orient surface domains on either apoplastic or cytoplasmic faces of the PM based on the absence or presence of YFP fluorescence, respectively. We were able to demonstrate in conjunction with helix prediction programs that AUX1 represents a polytopic membrane protein composed of 11 transmembrane spanning domains.
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Rahman A, Nakasone A, Chhun T, Ooura C, Biswas KK, Uchimiya H, Tsurumi S, Baskin TI, Tanaka A, Oono Y
Plant Journal 47 ( 5 ) 788 - 801 2006.05 [Refereed]
Academic Journal Multiple authorship
2,4-dichlorophenoxyacetic acid (2,4-D), a chemical analogue of indole-3-acetic acid (IAA) is believed to share a common response pathway. Here, we show that a mutant, antiauxin resistant1 (aar1), identified in a screen for resistance to the anti-auxin p-chlorophenoxy-isobutyric acid (PCIB), is resistant to 2,4-D, yet nevertheless responds like the wild-type to IAA and 1-napthaleneacetic acid in root elongation and lateral root induction assays. That the aar1 mutation alters 2,4-D responsiveness specifically was confirmed by analysis of GUS expression in the DR5:GUS and HS:AXR3NT-GUS backgrounds, as well as by real-time PCR quantification of IAA 11 expression. The two characterized aar1 alleles both harbor multi-gene deletions; however, 2,4-D responsiveness was restored by transformation with one of the genes SMAP1, which encodes a novel protein with unknown function.
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Auxin, actin, and growth of the Arabidopsis thaliana primary root.
Rahman A, Bannigan A, Sulaiman W, Oono Y, Baskin TI
The Plant Journal 50 ( 3 ) 514 - 528 2007.05 [Refereed]
Academic Journal Multiple authorship
To understand how auxin regulates root growth, we quantified cell division and elemental elongation, and examined actin organization in the primary root of Arabidopsis thaliana. In treatments for 48 h that inhibited root elongation rate by 50%, we find that auxins and auxin-transport inhibitors can be divided into two classes based on their effects on cell division, elongation and actin organization. Indole acetic acid (IAA), 1-naphthalene acetic acid (NAA) and tri-iodobenzoic acid (TIBA) inhibit root growth primarily through reducing the length of the growth zone rather than the maximal rate of elemental elongation and they do not reduce cell production rate. These three compounds have little effect on the extent of filamentous actin, as imaged in living cells or by chemical fixation and immuno-cytochemistry, but tend to increase actin bundling. Our results show that IAA regulates the size of the root elongation zone whereas 2,4-D affects cell production and actin-dependent processes.
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Virus-induced gene silencing of P23k in barley leaf reveals morphological changes involved in secondary wall formation
Oikawa A, Rahman A, Yamashita T, Taira H, Kidou S
Journal of Experimental Botany ( 58 ) 2617 - 2625 2007.07 [Refereed]
Academic Journal Multiple authorship
P23k is a monocot-unique protein that is highly expressed in the scutellum of germinating barley seed.The role of P23k in barley physiology remains unclear. Here, to elucidate its physiological function, BSMV-based virus-induced gene silencing (VIGS) of P23k in barley leaves was performed. Expression and localization analyses of P23k mRNA in barley leaves showed up-regulation of P23k transcript with increased photosynthetic activity and the localization of these transcripts to the vascular bundles and sclerenchyma, where secondary wall formation is most active. VIGS of the P23k gene led to abnormal leaf development, asymmetric orientation of main veins, and cracked leaf edges caused by mechanical weakness. In addition, histochemical analyses indicated that the distribution of P23k in leaves coincides with the distribution of cell wall polysaccharides. Considering these results together, it is proposed that P23k is involved in the synthesis of cell wall polysaccharides.
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Genetic Characterization of Mutants Resistant to the Antiauxin p-chlorophenoxyisobutyric Acid (PCIB) Reveals that AAR3, a Gene Encoding DCN1-Like Protein, regulates responses to the synthetic auxin 2,4-dichlorophenoxyacetic acid in Arabidopsis roots.
Biswas KK, Ooura C, Higuchi K, Miyazaki Y, Nguyen VV, Rahman A, Uchimiya H, Kiyosue T, Koshiba T, Tanaka A, Narumi I, Oono Y
Plant Physiology ( 145 ) 773 - 785 2007.11 [Refereed]
Academic Journal Multiple authorship
To isolate novel auxin-responsive mutants in Arabidopsis (Arabidopsis thaliana), we screened mutants for root growth resistance to a putative antiauxin, p-chlorophenoxyisobutyric acid (PCIB), which inhibits auxin action by interfering the upstream auxin-signaling events. Eleven PCIB-resistant mutants were obtained. Genetic mapping indicates that the mutations are located in at least five independent loci, including two known auxin-related loci, TRANSPORT INHIBITOR RESPONSE1 and Arabidopsis CULLIN1. antiauxin-resistant mutants (aars) aar3-1, aar4, and aar5 were also resistant to 2,4-dichlorophenoxyacetic acid as shown by a root growth assay. Positional cloning of aar3-1 revealed that the AAR3 gene encodes a protein with a domain of unknown function (DUF298), which has not previously been implicated in auxin signaling. The protein has a putative nuclear localization signal and shares homology with the DEFECTIVE IN CULLIN NEDDYLATION-1 protein through the DUF298 domain.
Books 【 display / non-display 】
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Plant Tropisms
Muday GK, Rahman A ( Pages responsible : Auxin Transport and the Integration of Gravitropic Growth pp 47-68 )
Blackwell Publishing 2008.04 ISBN: 9780813823232
Scholarly Book
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Polar Auxin Transport, Signaling and Communication in Plants 17
Shibasaki K, Rahman A ( Pages responsible : Auxin and Temperature Stress: Molecular and Cellular Perspectives pp 295-311 )
Springer 2013.05 ISBN: 9783642352980
Scholarly Book
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Cold Tolerance in Plants: Physiological, Molecular and Genetic Perspectives
Ashraf MA, Rahman A ( Pages responsible : Hormonal regulation of cold stress response pp 65-88 )
Springer-Nature 2018.01 ISBN: 9783030014148
Scholarly Book
Review Papers 【 display / non-display 】
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Auxin and ethylene: collaborators or competitors
Muday GK, Rahman A, Binder BM
Trends in Plant Science ( Cell Press ) 17 181 - 195 2012.03
Academic Journal
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Auxin: a regulator of cold stress response
Rahman A
Physiologia Plantarum ( Wiley-Blackwell ) 147 ( 1 ) 28 - 35 2013.04
Academic Journal
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CRISPR/Cas9 and biosafety issues
Rahman A, Ashraf MA
Workshop hand book (1st National Workshop on CRISPR-Cas9 Genome editing Technology) by GNOBB ( Global Network of Bangladeshi Biotechnologists (GNOBB) ) ( 1 ) 29 - 35 2017.03
Academic Journal (Local)
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CRISPR-Cas9 Genome editing technology
Rahman A, Aslam M
Workshop hand book (1st National Workshop on CRISPR-Cas9 Genome editing Technology) by GNOBB ( Global Network of Bangladeshi Biotechnologists (GNOBB) ) ( 1 ) 1 - 25 2017.03
Academic Journal (Local)
Presentations 【 display / non-display 】
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Freezing Tolerance and Plasma Membrane Proteome of the Novel Model Grass Species Brachypodium distachyon.
Poster (General) Takato N, Tajahashi D, Kawamura Y, Rahman A , Uemmura M (
2012.03 -
Two actin isovariants, ACT7 and ACT8 regulate Arabidopsis root meristem development
Oral Presentation(General) Numata T, Kandasamy KM, Meagher RB, Rahman A
2012.03 -
Gravitropism of Arabidopsis thaliana roots requires the polarization of PIN2 toward the root tip in meristematic cortical cells
Oral Presentation(General) Rahman A, Takahashi M, Shibasaki K, Wu S, Inaba T, Baskin TI, Tsurumi S
2012.03 -
Physiological and genetic characterization of novel Indole-3-butyric acid resistant mutants
Oral Presentation(General) Hanzawa T, Muday G, Rahman A
2012.03 -
Two actin isovariants, ACT7 and ACT8 regulate Arabidopsis root meristem development through modulating intracellular auxin gradient.
Poster (General) Numata T, Kandasamy M, Meagher R, Rahman A
2012.07
Academic Awards Received 【 display / non-display 】
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Global Network of Bangladeshi Biotechnologists (GNOBB)-2017 outstanding Scientist award
2017.12.30
All winners： Abidur Rahman
Association Memberships 【 display / non-display 】
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1999.04
Japanese Society of Plant Physiologists
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1999.09
American Society of Plant Biologists
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1999.09
Graduate Biochemist Association
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2004.06
Global Network of Bangladeshi Biotechnologists
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2013.06
Advances in Botany
Academic Activity 【 display / non-display 】
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2013.06-2016.05
Bioresearch Communication Editor
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2015.10-Now
Journal of Plant Growth regulation Editor