NDLI: Evaluation of Glucose Dehydrogenase and Pyrroloquinoline Quinine (pqq) Mutagenesis that Renders Functional Inadequacies in Host Plants.

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Evaluation of Glucose Dehydrogenase and Pyrroloquinoline Quinine (pqq) Mutagenesis that Renders Functional Inadequacies in Host Plants.

Content Provider	World Health Organization (WHO)-Global Index Medicus
Author	Naveed, Muhammad Sohail, Younas Khalid, Nauman Ahmed, Iftikhar Mumtaz, Abdul Samad
Description	Country affiliation: Pakistan Author Affiliation: Naveed M ( Department of Plant Sciences, Quaid-i-Azam University, Islamabad 45320, Pakistan.); Sohail Y ( Department of Plant Sciences, Quaid-i-Azam University, Islamabad 45320, Pakistan.); Khalid N ( Graduate School of Agricultural and Life Sciences, The University of Tokyo, Tokyo 113-8657, Japan.); Ahmed I ( National Institute for Genomics and Advanced Biotechnology (NIGAB), National Agricultural Research Centre (NARC), Islamabad 45500, Pakistan.); Mumtaz AS ( Department of Plant Sciences, Quaid-i-Azam University, Islamabad 45320, Pakistan.)
Abstract	The rhizospheric zone abutting plant roots usually clutches a wealth of microbes. In the recent past, enormous genetic resources have been excavated with potential applications in host plant interaction and ancillary aspects. Two Pseudomonas strains were isolated and identified through 16S rRNA and rpoD sequence analyses as P. fluorescens QAU67 and P. putida QAU90. Initial biochemical characterization and their root-colonizing traits indicated their potential role in plant growth promotion. Such aerobic systems, involved in gluconic acid production and phosphate solubilization, essentially require the pyrroloquinoline quinine (PQQ)- dependent glucose dehydrogenase (GDH) in the genome. The PCR screening and amplification of GDH and PQQ and subsequent induction of mutagenesis characterized their possible role as antioxidants as well as in growth promotion, as probed in vitro in lettuce and in vivo in rice, bean, and tomato plants. The results showed significant differences (p < or = 0.05) in parameters of plant height, fresh weight, and dry weight, etc., deciphering a clear and in fact complementary role of GDH and PQQ in plant growth promotion. Our study not only provides direct evidence of the in vivo role of GDH and PQQ in host plants but also reveals their functional inadequacy in the event of mutation at either of these loci.
File Format	HTM / HTML
ISSN	10177825
e-ISSN	17388872
Journal	Journal of Microbiology and Biotechnology
Issue Number	8
Volume Number	25
Language	English
Publisher	Korean Society for Microbiology and Biotechnology
Publisher Date	2015-08-01
Publisher Place	Korea (South)
Access Restriction	Open
Subject Keyword	Discipline Microbiology Discipline Biotechnology Glucose 1-dehydrogenase Metabolism Pqq Cofactor Pseudomonas Fluorescens Enzymology Isolation & Purification Pseudomonas Putida Aerobiosis Cluster Analysis Dna, Bacterial Chemistry Genetics Dna, Ribosomal Molecular Sequence Data Mutagenesis Phylogeny Plant Development Plant Growth Regulators Plants Microbiology Rna, Ribosomal, 16s Rhizosphere Sequence Analysis, Dna Soil Microbiology Research Support, Non-u.s. Gov't
Content Type	Text
Resource Type	Article
Subject	Medicine Applied Microbiology and Biotechnology Biotechnology

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