Department of Botany

Dr. Jimtha John C

Guest Faculty

Date of Joining

: 03-01-2022

Area of interest

: Microbial biotechnology

No of years of experience

: 5 years

Course Institution Year
Pree degree St.Mary’s College, Thrissur 1999
B.Sc. Microbiology St.Mary’s College, Thrissur 2005
M.Sc. Microbiology St.Mary’s College, Thrissur 2008
Ph.D in Microbiology School of Biosciences, M.G.University, Kottayam 2017
NET Indian Council of Agricultural Research 2018
Designation Institution Period
Assistant Professor St. Josephs College, Irinjalakuda, Thrissur 3rd January 2022 - till date
Assistant professor St. Joseph's college, Irinjalakuda, Thrissur 15th June 2021-2nd January 2022
project fellow Kerala Forest Research Institute, Peechi 4th November 2019- 31st may 2021
Assistant professor St.Mary's College, Thrissur 1st june 2018 to 31st March 2019
Assistant professor St.Mary's College, Thrissur 1st june 2016 to 31st March 2017
Assistant professor St.Mary's College, Thrissur 5th june 2009 to 30th November 2010

Research Experience: M.Sc. Project work “Applications Of Microbiological Principles in Ayurvedic Pharmaceutics with Special Reference to Shelf Life of Herbal Lehya Formulations” carried out in Oushadhi, Thrissur, Kerala, India, September 2007. March 2011 to March 2016: Research scholar, Molecular Biology Lab, School of Biosciences, Mahatma Gandhi University, PD Hills (PO), Kottayam, Kerala, India. M Sc. Research Projects guided: • Guided Reshma K R, on topic “Isolation of plant growth promoting bacteria from the rhizosphere of medical plants and evaluation of its biocontrol property” during the academic year 2017 and she secured first rank under University of Calicut with full score in her project. • Guided NAJIYA NOUSHAD, on topic ‘Isolation And Characterization Of Antifungal Metabolite Producing Rhizosphere Bacteria From Zingiber Officinale And Their Antagonistic Activity Against Soft Rot Pathogen Pythium sp.during the academic year 2019 and she secured full score in her project. • Guided Raina Mary Shaju, on topic “Isolation and characterization of secondary metabolite modulating endopphytic bacteria fron Bacopa monnieri and its antagonistic activity against fungal pathogen Collectotrichum gleosporiodes” during the academic year 2019 and she also secured full score in her project.


1.Guided MEHA SALJU, St. Joseph's College, Irinjalakuda. for her B Sc dissertation entitled ‘Exploring the Potency of Coleus aromaticus against Respiratory Pathogens' during the academic year 2023-2024. 2.Guided SNEHA VINOD, St. Joseph's College, Irinjalakuda. for her B Sc dissertation entitled ‘Lead-resistant bacteria isolated from petroleum wastewater with potential to act as antagonistic to Fungal Phytopathogens' during the academic year 2023-2024. 3. Guided AGNES SEBASTIAN, St. Joseph's College, Irinjalakuda. for her B Sc dissertation entitled ‘Bacterial Warriors Against E-Waste Pollution: Unveiling the Role of Nickel-Tolerant Strains' during the academic year 2023-2024. 4. Guided ANN MARIYA, St. Joseph's College, Irinjalakuda. for her B Sc dissertation entitled ‘Uncovering the potential of lead resistant bacillus velezensis in flourishing yield of biosynthetic compounds leading to biosurfactants' during the academic year 2023-2024.


Consultancies 1.Guided AMBILI T V, Carmel College, Mala. for her M Sc dissertation entitled ‘Quantification of.during the academic year 2019 IAA produced by Endophytic bacteria isolated from Centella asiatica(L.) urban and phytochemical characterization of its leaf extract' during the academic year 2022-2023. 2.Guided SANGEETHA JAIK, Carmel College, Mala. for her M Sc dissertation entitled ‘Probiotic effect of Rhizobacteria for sustainable agriculture and phytochemical analysis of leaf extract from Cinnamomum verum, J.Presl' during the academic year 2022-2023. 3.Guided VISMAYA V S, Carmel College, Mala. for her M Sc dissertation entitled ‘Insecticidal activity and isolation of Bacillus flexus from Piper nigrum L. and its bioactive characterization' during the academic year 2022-2023. 4.Guided GLORIA VARGHESE, Carmel College, Mala. for her M Sc dissertation entitled ‘Allelopatic influence of Tinospora cordifolia (Willd.) Miers and the characterization of endophytic bacteria' during the academic year 2022-2023. 5.Guided Annette Antony, Carmel College, Mala. for her M Sc dissertation entitled 'Larvicidal activity of plant extract from Curcuma zanthorrhiza Roxb.(Zingiberaceae) and the microbiome associated with it during the academic year 2022-2023.


Name of award/fellowship Awarded by Year
Third Rank in M.Sc Microbiology University of Calicut 2008
University Research Fellowship M G University, Kottayam 2011
Best paper award St.Joseph's College, Irinjalakuda, Thrissur 2016
Best paper award Kerala Forest Research Institute and Gregor Mental Foundation 2019
Best paper award Vimala College 2023
Title Year Indexed in Citation
1. C. Jimtha John, A.V. Bibishna, G.E. Mallikarjunaswamy, Antimycotic effects of a prodigiosin producing Serratia marcescens rhizobacteria, (Elsevier- Rhizosphere,Impact Factor 2.07), 2021. 2021 Scopus
2. Jimtha John C, Shambhu Kumar & Mallikarjunaswamy Ge, Probiotic prospects of PGPR for green and sustainable agriculture, (Taylor and Francis- Archives of Phytopathology and Plant Protection,Impact Factor 0.63), 2020. 2020 Scopus
3. Jimtha John C, An approach towards green and sustainable agriculture- A book chapter Apple Academic Press, CRC Press, Taylor and Francis Group. 2020. 2020 Scopus
4. Jimtha John C, Jishma Panichikkal,• Roshmi Thomas,Radhakrishnan EK, Biogenic gold nanoparticle supplementation to plant beneficial Pseudomonas monteilii was found to enhance its plant probiotic effects (Springer-Current Microbiology, Impact Factor 1.595), 76, pages503–509(2019), 2019 2019 Scopus
5. Jimtha John C, Sreelekha S, Chithra Sand Radhakrishnan EK Antifungal properties of prodigiosin producing rhizospheric Serratia spp., Rhizosphere (Elsevier journal) Volume 3, Part 1, June 2017, Pages 105-108, Impact Factor 0.779, DOI-10.1016/j.rhisph.2017.02.003 2017 Scopus
6. Jimtha John C, Radhakrishnan EK., Pseudomonas fluorescens R68 assisted enhancement in growth and fertilizer utilization of Amaranthus tricolor (L.).2017,,3 Biotech, 7, Article number: 256 (2017) (Springer open access Journal with Impact factor-1.786) 2017 Scopus
7. Jimtha John C, Radhakrishnan EK. Bioengineering of Dioscorea nipponica with rhizospheric Proteus spp. for enhanced tuber size and diosgenin content ,2017, 3 Biotech, (2017) 7:261 (Springer open access Journal with Impact factor-1.786) 2017 Scopus
8. Jimtha John C, Radhakrishnan EK. Chemicobiological Insight into Anti-phytopathogenic Properties of Rhizospheric Serratia plymuthica R51,2017, (Proceedings of the national academy of sciences,India section B:Biological sciences 88, pages1629–1635(2018)Impact factor-0.396) 2018 Scopus
9. Jimtha John C, Radhakrishnan EK. Multipotent Plant Probiotic Rhizobacteria from Western Ghats and Its Effect on Quantitative Enhancement of Medicinal Natural Product Biosynthesis Proceedings of the National Academy of Sciences, India, Section B: Biological Sciences, 2016,DOI-10.1007/s40011-016-0810-3 (Impact factor-0.396). 88(2)755-768 2016 Scopus
10. Jimtha John C, Arathy G B,Anisha C, Radhakrishnan EK .Identification of Plant Growth Promoting Rhizosphere Bacillus spp. antagonistic to Pythium myriotylum and its enhanced antifungal effect in association with Trichoderma, Journal of soil science and plant nutrition 2016,16(3),578-590,( Impact factor-2.102). vol.16, n.3, pp.578-590 2016 Scopus
11. Suada EP, Jasim B, Jimtha John C, Gayathri G P, Radhakrishnan EK, Remakanthan A – Phytostimulatory and hardening period reducing effects of plant associated bacteria on micropropagated Musa acuminata cv. Grand naine, In Vitro Cellular and Developmental Biology – Plant- Springer, December 2015,51(6):682-687 (Impact factor-1.057) 51, pages682–687(2015 ) 2015 Scopus
12. John C. Jimtha, P. V. Smitha, C. Anisha, Thomas Deepthi, George Meekha, E. K. Radhakrishnan, G. P. Gayatri, A. Remakanthan(2014) Isolation of endophytic bacteria from embryogenic suspensionculture of banana and assessment of their plant growth promotingproperties, Plant Cell Tiss Organ Cult-Springer, 2014, 118: 57–66(Impact factor-2.2) 118, pages57–66(2014) 2014 Scopus
13. Jasim B, Jimtha John C, Shimil Vellakudiyan, Jyothis Mathew and Radhakrishnan(2014) Studies on the factors modulating Indole-3-acetic acid production in endophyticbacterial isolates from Piper nigrum and molecular analysis of ipdc gene, Journal of Applied Microbiology-Wiley , Manuscript No:JAM-2014-1134 (Impact factor-2.683) ;117(3):786-99 2014 Scopus
14. B. Jasim, Aswathy Agnes Joseph, C. Jimtha John, Jyothis Mathew, E. K. Radhakrishnan Isolation and characterization of plant growth promotingendophytic bacteria from the rhizome of Zingiber officinale , 3 Biotech, 2014, 4:197–204. (Springer open access Journal with Impact factor-1.786) 2014 Scopus
15. B. Jasim, C. John Jimtha, Mathew Jyothis, E. K. Radhakrishnan(2013)Plant growth promoting potential of endophytic bacteria isolatedfrom Piper nigrum, Plant Growth Regul- Springer, 2013, 71:1–11(Impact factor-2.646) 2013 Scopus
16. B.Jasim,SabuRohini, C.Anisha, C.JimthaJohn, Mathew JyothisandE.K.Radhakrishnan (2013)AntifungalandPlantGrowthPromotingPropertiesofEndophyticPseudomonasaeruginosafromZingiberofficinale, JournalOfPureAndAppliedMicrobiology, Vol. 7(2),1-7, (Impact factor-0.10). 2013 Scopus
17. Jimtha John C *, Mallikarjunaswamy GE, Najiya Noushad ,Probiotic rhizospheric Bacillus sp. from Zingiber officinale Rosc. displays antifungal activity against soft rot pathogen Pythium sp. Current plant Biology(Elsevier) 2021 Scopus
18. Jimtha John C 2023 Scopus
Role Activity Period
Resource person webinar “An approach towards green and sustainable Agriculture” organized by The Department of Microbiology and Biochemistry, St Berchmans college, Changanacherry, Kerala march 12th 2021
Title Funded By Collaborators Period
Bioinstrumentation Frontiers NIPST, M G University, Kottayam University of Calicut 26/6/2021-7/8/2021
Handson training on Molecular Docking and Drug designing St. Josephs College, Irinjalakuda Nil 20,21 Sept 2023
Title Conference/Seminar Details Date
Presented a paper in scientific paper presentation completition in an interdisciplinary seminar on Recent advances in Technology scientific paper presentation completition in an interdisciplinary seminar on Recent advances in Technology 20-12-2022
h. Presented paper in a National Seminar on “Forestry, Plant genetics and Improvement” organised by Kerala Forest Research Institute and Gregor Mental Foundation on 3-4 December 2019 National Seminar on “Forestry, Plant genetics and Improvement” organised by Kerala Forest Research Institute and Gregor Mental Foundation 04-12-2019
g. Presented a paper entitled Plant growth promoting analysis of Klebsiella sp. and quantitative analysis of its phosphate solubilization properties in the International conference on Trends and innovations in science, Arts and commerce held in St. Mary’s College ,Thrissur on 28th January 2019. International conference on Trends and innovations in science, Arts and commerce held in St. Mary’s College ,Thrissur 28-01-2019
f. Presented a poster entitled Plant Probiotic Rhizobacteria from various Medicinal plants and enhancement of Agricultural productivity in the International seminar on Innovative technologies in Pharmaceutical sciences held on Lulu international convention center,Thrissur on 5 th October 2018 International seminar on Innovative technologies in Pharmaceutical sciences held on Lulu international convention center,Thrissur 05-09-2018
e. Presented a paper “BIOFUELS FROM WASTE ON ECONOMIC AND ENVIRONMENTALLY FEASIBLE RESOURCE” in KSCSTE sponsered National Seminar on Solid waste and its sustainable management ‘SWASM’ organised by Department of Biotechnology, St Mary’s College, Thrissur on 27th July, 2018. KSCSTE sponsered National Seminar on Solid waste and its sustainable management ‘SWASM’ organised by Department of Biotechnology, St Mary’s College, Thrissur 27-07-2018
d. Presented a paper “”in UGC sponsered National Seminar on Progress and Prospects of Biotechnology organised by Department of Biotechnology, St Joseph’s College, Irinjalakuda on 14th and 15th January, 2016. UGC sponsered National Seminar on Progress and Prospects of Biotechnology organised by Department of Biotechnology, St Joseph’s College, Irinjalakuda 15-01-2016
c. Presented a paper, “Cultural Optimization and molecular characterization of Indole acetic acid production by endophytic bacteria isolated from Piper nigrum” in UGC sponsored “National Seminar” organised by B K college for women, Amalagiri, Kottayam on Biochemical techniques:- Relevance in interdisciplinary research scenario conducted on 3th and 4th September 2013. UGC sponsored “National Seminar” organised by B K college for women, Amalagiri, Kottayam 04-09-2013
Presented a paper, “Reduction of NPK requirement to 50% by PGPR from Western Ghat for the cultivation of leafy vegetable Amaranthus tricolour with improved soil fertility” in “25thSwadeshi Science congress” organised at Sree Sankaracharya University of Sanskrit, Kalady on Healthy soil for a healthy life conducted on 16th December 2015. “25thSwadeshi Science congress” organised at Sree Sankaracharya University of Sanskrit, Kalady 16-12-2015
a. Presented a paper “Identification of Plant Growth Promoting Rhizosphere Bacillus spp. Antagonistic to Pythium myriotylum” in UGC sponsored “National Seminar” organised by Department of Botany, Nirmala college, Muvattupuzha on Beneficial fungi with special reference to mushroom cultivation, Mycorrhiza and fungal biocontrol agent conducted on 5th December 2014. “National Seminar” organised by Department of Botany, Nirmala college, Muvattupuzha 02-12-2014

Have membership in American society for Microbiology ID: 200460137


Role Year
Head of the Department(Biology Dept.), St Joseph's College, Irinjalakuda, Thrissur) 2023
Subject matter expert in the development of MOOC module 2019
UG/ PG Paper Title
PG Biophysics, Endocrinology
UG Immunology,Genetics,microbiology,Research Methodology, Principles of Taxonomy,Biomolecules, Biochemitry, Ecoloy and conservation Biology, Environmental science and water management, Biological laboratory Techniques
UG General Microbiology, Environmental Microbiology, Agricultural Microbiology,Industrial Microbiology,Genetics, Molecular Biology, Genetic Engineering, Food Microbiology.Medical Microbiology, Immonology, Biochemistry, Environmental science and water management, Ecology and Evolution, Biomolecules, Research Methodology
PG General Microbiology, Environmental Microbiology, Agricultural Microbiology,Industrial Microbiology,Genetics, Molecular Biology, Genetic Engineering, Food Microbiology.Medical Microbiology, Immonology, Biochemistry, Environmental science and water management, Ecology and Evolution, Biomolecules, Research Methodology, Diagnostic Microbiology

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