https://en.bharatpedia.org/w/index.php?action=history&feed=atom&title=Samuel_GnanamanickamSamuel Gnanamanickam - Revision history2026-10-27T21:07:19ZRevision history for this page on the wikiMediaWiki 1.43.6https://en.bharatpedia.org/w/index.php?title=Samuel_Gnanamanickam&diff=532405&oldid=prevSddhvnkengineering: New New Entry...2026-05-04T00:18:29Z<p>New New Entry...</p>
<p><b>New page</b></p><div>{{Infobox scientist<br />
| name = Samuel S. Gnanamanickam<br />
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| birth_date = {{Birth date and age|df=yes|1945|7|18}}<br />
| birth_place = [[Kannanalloor|Kannanallur]], [[Tamil Nadu]], India<br />
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| fields = {{ublist | [[Plant pathology]]}}<br />
| workplaces = {{ublist | [[National Academy of Agricultural Sciences]] | [[American Phytopathological Society]] | [[Indian Council of Agricultural Research ]]}}<br />
| alma_mater = {{ublist | Agricultural College and Research Institute Coimbatore, India|[[University of Hawaiʻi]]}}<br />
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| known_for = Studies in [[Plant pathology]]<br />
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'''Samuel S. Gnanamanickam''' (born July 18, 1945) is an Indian [[Plant pathology|plant pathologist]].<ref name=":0">{{Cite web|title=Profile of Dr. Samuel S. Gnanamanickam|url=https://nabsindia.org/profiles/gnanamanickam.html|access-date=2022-02-01|website=nabsindia.org}}</ref> He is known for his research on diversity of rice pathogens, molecular breeding of indica rices for disease resistance and for developing superior strains of beneficial strains of rhizosphere bacteria for biological control of rice diseases. He is a fellow of the [[National Academy of Agricultural Sciences]]<ref>{{Cite web|title=National Academy of Agricultural Sciences|url=https://naas.org.in/page.php?pageid=32|access-date=2022-02-01|website=naas.org.in}}</ref> and [[National Centre for Biological Sciences|National Academy of Biological Sciences of India]]<ref>{{Cite web|title=NABS India|url=https://nabsindia.org/home.html#popup1|access-date=2022-02-03|website=nabsindia.org}}</ref> and was chair of the biological control committee at the [[American Phytopathological Society]].<ref>{{Cite journal|date=2011-02-10|title=Contents / Sommaire Volume 52, 2006|url=https://cdnsciencepub.com/doi/abs/10.1139/w06-901|journal=Canadian Journal of Microbiology|volume=52|issue=12|language=en|doi=10.1139/w06-901|url-access=subscription}}</ref><br />
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==Early life and education==<br />
Gnanamanickam was born in Kannanallurr, Tamil Naduu, India, on July 18, 1945. He acquired a bachelor's and master's degree from Agricultural College and Research Institute Coimbatore, India, class 1969, and obtained his PhD degree in Plant Pathology from the [[University of Hawaiʻi]] in Honolulu, class 1976.<ref name=":0"/><ref>{{Cite journal|last1=Gnanamanickam|first1=Samuel S.|last2=Patil|first2=Suresh S.|date=1977-03-01|title=Accumulation of antibacterial isoflavonoids in hypersensitively responding bean leaf tissues inoculated with Pseudomonas phaseolicola|url=https://dx.doi.org/10.1016/0048-4059%2877%2990019-4|journal=Physiological Plant Pathology|language=en|volume=10|issue=2|pages=159–168|doi=10.1016/0048-4059(77)90019-4|issn=0048-4059|url-access=subscription}}</ref> He then earned a postdoctoral fellowship from [[Natural Sciences and Engineering Research Council|Natural Sciences and Engineering Research Council of Canada]], and worked for [[Agri-Food and Veterinary Authority of Singapore|Agri-Food Canada]].<ref>{{Cite web|title=Principles of Biological Control|url=https://www.researchgate.net/publication/284621454}}</ref><br />
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==Career==<br />
Gnanamanickam has been associated with the [[University of Madras]] and was professor of plant pathology since 1898.<ref name=":0" /><ref name="Pandurangan Ranjani 2018">{{Cite journal|last1=Pandurangan Ranjani|first1=University of Madras|last2=Yaram Gowthami|first2=International Institute of Biotechnology and Toxicology|last3=Samuel|first3=S. Gnanamanickam|last4=Perumal Palani|first4=University of Madras|date=2018|title=Bacteriophages: A New Weapon for the Control of Bacterial Blight Disease in Rice Caused by Xanthomonas oryzae|url=https://scholar.google.com/scholar_lookup?title=Bacteriophages%3A+A+New+Weapon+for+the+Control+of+Bacterial+Blight+Disease+in+Rice+Caused+by+Xanthomonas+oryzae&author=Pandurangan+Ranjani%2C+University+of+Madras%2C+Guindy+Campus%2C+Tamil+Nadu%2C+India&publication_year=2018|journal=Korean Journal of Microbiology and Biotechnology|language=English|issn=1598-642X}}</ref> He was also among the visiting scientists and a professor on a Biotechnology Career Fellowship visits to University of Hawaiʻi, [[Kansas State University]],<ref>{{Cite web|title=KANSAS STATE UNIVERSITY - TOTAL EXTRAMURAL AWARDS|url=https://www.k-state.edu/research/our-research/reports/archives/awards95.pdf}}</ref> and [[University of Wisconsin–Madison|University of Wisconsin]].<ref name=":0" /><ref>{{Cite journal|last1=Patil|first1=Suresh S.|last2=Gnanamanickam|first2=Samuel S.|title=Suppression of bacterially-induced hypersensitive reaction and phytoalexin accumulation in bean by phaseotoxin|url=https://www.nature.com/articles/259486a0|journal=Nature|year=1976|language=en|volume=259|issue=5543|pages=486–487|doi=10.1038/259486a0|bibcode=1976Natur.259..486P|s2cid=4219301|issn=0028-0836|url-access=subscription}}</ref> Since 2004, he has been recognized as an [[adjunct professor]] of plant pathology at the [[University of Arizona|University of Arizona, Tucson]].<ref name=":0" /><ref>{{Cite web|title=Plant Pathology Seminar Schedule|url=https://cals.arizona.edu/PLP/seminars/Ssem-03.html|access-date=2022-02-03|website=cals.arizona.edu}}</ref><br />
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==Selected publications==<br />
===Articles===<br />
*{{cite journal|last1=PATIL|first1=SURESH S.|last2=GNANAMANICKAM|first2=SAMUEL S.|year=1976|title=Suppression of bacterially-induced hypersensitive reaction and phytoalexin accumulation in bean by phaseotoxin|journal=Nature|publisher=Springer Science and Business Media LLC|volume=259|issue=5543|pages=486–487|doi=10.1038/259486a0|bibcode=1976Natur.259..486P|s2cid=4219301|issn=0028-0836}}<br />
*{{cite journal|last1=Sakthivel|first1=N.|last2=Gnanamanickam|first2=S. S.|year=1987|title=Evaluation of Pseudomonas fluorescens for Suppression of Sheath Rot Disease and for Enhancement of Grain Yields in Rice (Oryza sativa L.)|journal=Applied and Environmental Microbiology|publisher=American Society for Microbiology|volume=53|issue=9|pages=2056–2059|doi=10.1128/aem.53.9.2056-2059.1987|pmid=16347428|pmc=204057|bibcode=1987ApEnM..53.2056S|issn=0099-2240}}<br />
*{{cite journal|last1=Rajebhosale|first1=M. D.|last2=Chowdari|first2=K. V.|last3=Ramakrishna|first3=W.|last4=Tamhankar|first4=S. A.|last5=Gupta|first5=V. S.|last6=Gnanamanickam|first6=S. S.|last7=Ranjekar|first7=P. K.|year=1997|title=DNA fingerprinting of Indian isolates of Xanthomonas oryzae pv. oryzae|journal=Theoretical and Applied Genetics|publisher=Springer Science and Business Media LLC|volume=95|issue=1–2|pages=103–111|doi=10.1007/s001220050537|s2cid=46126601|issn=0040-5752}}<br />
*{{cite journal | last1=Krishnamurthy | first1=K | last2=Gnanamanickam | first2=S.S | title=Biological Control of Rice Blast byPseudomonas fluorescensStrainPf7–14: Evaluation of a Marker Gene and Formulations | journal=Biological Control | publisher=Elsevier BV | volume=13 | issue=3 | year=1998 | issn=1049-9644 | doi=10.1006/bcon.1998.0654 | pages=158–165}}<br />
*{{cite journal|last1=Viji|first1=G.|last2=Gnanamanickam|first2=S.S.|last3=Levy|first3=M.|year=2000|title=DNA polymorphisms of isolates of Magnaporthe grisea from India that are pathogenic to finger millet and rice|journal=Mycological Research|publisher=Elsevier BV|volume=104|issue=2|pages=161–167|doi=10.1017/s095375629900194x|issn=0953-7562}}<br />
*{{cite journal|last1=Narayanan|first1=N. N.|last2=Baisakh|first2=N.|last3=Vera Cruz|first3=C. M.|last4=Gnanamanickam|first4=S. S.|last5=Datta|first5=K.|last6=Datta|first6=S. K.|year=2002|title=Molecular Breeding for the Development of Blast and Bacterial Blight Resistance in Rice cv. IR50|journal=Crop Science|publisher=Wiley|volume=42|issue=6|pages=2072–2079|doi=10.2135/cropsci2002.2072|issn=0011-183X}}<br />
*{{cite journal|last1=Narayanan|first1=Narayanan N.|last2=Baisakh|first2=Niranjan|last3=Oliva|first3=Norman P.|last4=VeraCruz|first4=Casiana M.|last5=Gnanamanickam|first5=Samuel S.|last6=Datta|first6=Karabi|last7=Datta|first7=Swapan K.|year=2004|title=Molecular breeding: marker-assisted selection combined with biolistic transformation for blast and bacterial blight resistance in Indica rice (cv. CO39)|journal=Molecular Breeding|publisher=Springer Science and Business Media LLC|volume=14|issue=1|pages=61–71|doi=10.1023/b:molb.0000037995.63856.2d|s2cid=21969308|issn=1380-3743}}<br />
*{{cite journal|last1=Velusamy|first1=Palaniyandi|last2=Immanuel|first2=J Ebenezar|last3=Gnanamanickam|first3=Samuel S|last4=Thomashow|first4=Linda|date=2006-01-01|title=Biological control of rice bacterial blight by plant-associated bacteria producing 2,4-diacetylphloroglucinol|journal=Canadian Journal of Microbiology|publisher=Canadian Science Publishing|volume=52|issue=1|pages=56–65|doi=10.1139/w05-106|pmid=16541159|issn=0008-4166}}<br />
*{{cite journal|last1=Taheri|first1=Parissa|last2=Gnanamanickam|first2=Sam|last3=Höfte|first3=Monica|year=2007|title=Characterization, Genetic Structure, and Pathogenicity of Rhizoctonia spp. Associated with Rice Sheath Diseases in India|journal=Phytopathology|publisher=Scientific Societies|volume=97|issue=3|pages=373–383|doi=10.1094/phyto-97-3-0373|pmid=18943659|issn=0031-949X|doi-access=free|hdl=1854/LU-362279|hdl-access=free}}<br />
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===Books===<br />
*{{cite book|last=Gnanamanickam|first=S. S.|title=Biological control of crop diseases|publisher=Marcel Dekker, Inc|year=2002|isbn=0-203-91095-8|publication-place=New York|oclc=49529926}}.<br />
*{{cite book|last=Gnanamanickam|first=S. S.|title=Plant-associated bacteria|publisher=Springer|year=2006|isbn=978-1-4020-4536-3|publication-place=Dordrecht|oclc=209936037}}<br />
*{{cite book|last=Gnanamanickam|first=S. S.|title=Biological control of rice diseases|publisher=Springer|year=2009|isbn=978-90-481-2464-0|publication-place=Dordrecht London|oclc=437346580}}<br />
*Gnanamanickam, S. S. (2023). ''Rice Blast Disease: Contributions to Biological Disease Management and the Biopesticide Industry''. Copyright (c) 2023. Samuel Gnanamanickam.<br />
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==Honors==<br />
Gnanamanickam is the recipient of the Tamil Nadu Scientist Award.<ref name=":0" /><br />
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==References==<br />
{{reflist}}<br />
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{{DEFAULTSORT:Gnanamanickam, Samuel}}<br />
[[Category:1945 births]]<br />
[[Category:Living people]]<br />
[[Category:Scientists from Tamil Nadu]]<br />
[[Category:University of Hawaiʻi at Mānoa alumni]]<br />
[[Category:Indian phytopathologists]]</div>Sddhvnkengineering