PROFILE

UPM's Staff Profile

PROF. MADYA DR. TAN GEOK HUN

ASSOCIATE PROFESSOR

FACULTY OF AGRICULTURE

geok_hun@upm.edu.my

PROFESSIONAL

UPM WEBSITE

PROFILE

geok_hun

PROFESSIONAL

NAME :

(Prof. Madya Dr.) TAN GEOK HUN

POST :

ASSOCIATE PROFESSOR

ENTITY :

FACULTY OF AGRICULTURE

FIELD OF SUPERVISION

AGRICULTURAL TECHNOLOGY / BIOTHERAPEUTICS / MICROBIAL BIOTECHNOLOGY / MOLECULAR BIOLOGY AND GENETIC ENGINEERING / VIROLOGY / MICROBIOLOGY

EDUCATION

PHD
UNIVERSITI PUTRA MALAYSIA, SERDANG, SELANGOR
Graduated : 2006

MASTER SAINS (MIKROBIOLOGI TANAH)
UNIVERSITI PUTRA MALAYSIA, SERDANG, SELANGOR
Graduated : 2002

BACHELOR SAINS BIOINDUSTRI
UNIVERSITI PUTRA MALAYSIA, SERDANG, SELANGOR
Graduated : 1999

BOOK PUBLICATION

1. Preservation of Microorganisms: A Laboratory Manual
ISPN: 9789834148751

JOURNAL PUBLICATION

1. Xanthomonas oryzae pv. oryzae, biochemical tests, rice (Oryza sativa), bacterial leaf blight (BLB) disease, Sekinchan
Journal type: Non Citation-Indexed

2. Isolation, characterization and identification of effective microorganisms from Malaysia biofertilizer products
Journal type: Non Citation-Indexed

3. Isolation of beneficial microbes from biofertilizer products
Journal type: Non Citation-Indexed

4. Isolation and characterization of lytic bacteriophages from sewage water
Journal type: Non Citation-Indexed

5. Preliminary study of anticoccidial activity of medium chain fatty acids (MCFA) and their corresponding monoglycerides on broiler chicken coccidiosis
Journal type: Non Citation-Indexed

6. Effect of phage infection on pathogenic activity of Ralstonia solanacearum in tomato
Journal type: Non Citation-Indexed

7. A comparative analysis of Preservation of Functional Food Cultures by Freeze-drying, Liquid-drying and Freezing Methods
Journal type: Non Citation-Indexed

8. Lysis activity of bacteriophages isolated from raw meat and their potential as biocontrol agents against Escherichia coli
Journal type: Non Citation-Indexed

9. Efficacy of Smart Fertilizer for Combating Bacterial Wilt Disease in Solanum Lycopersicum
Journal type: Other Abstracting / Indexing Bodies

10. Discrimination of Escherichia coli isolates recovered from mucosal contents of chicken intestines and different age by repetitive elements sequence-based PCR
Journal type: Non Citation-Indexed

11. Disease control of Ralstonia solanacaerum in tomato and Xanthomonas campestris in pitaya using bacteriophage
Journal type: Non Citation-Indexed

12. Lysis Activity of Bacteriophages Isolated from Sewage against Ralstonia solanacearum and Erwinia chrysanthemi
Journal type: Non Citation-Indexed

13. Identification of potential bacteria controlling pathogenic fungi Rhizoctonia solani in rice
Journal type: Non Citation-Indexed

14. Characterization and identification of bacteriophage isolated from sewage and infected tomato soil
Journal type: Non Citation-Indexed

15. Isolation and Characterization of Novel Phages Targeting Xanthomonas oryzae: Culprit of Bacterial Leaf Blight Disease in Rice
Journal type: Other Abstracting / Indexing Bodies

16. Isolation, screening and characterization of bacteria associated with cocoa tree roots for different plant growth promotion (PGP) activities
Journal type: Citation-Indexed - Scopus

17. Antibacterial activity of Sireh (Piper betle L.) leaf extracts for controlling bacterial leaf blight diseases in rice plant
Journal type: Citation-Indexed - Scopus

18. Genomic mapping milk microbiota from healthy, sub-clinical and clinical mastitis of Jersey Friesian cattle in a Malaysian farm
Journal type: Citation-Indexed - Scopus

19. Potential Novel Plant Growth Promoting Rhizobacteria for Bio-Organic Fertilizer Production in the Oil Palm (Elaeis guineensis Jacq.) in Malaysia
Journal type: Citation-Indexed - Scopus

20. Antibacterial effect of Melastoma malabathricum leaves extract against locally isolated bovine mastitis pathogens
Journal type: Citation-Indexed - Scopus

21. Acute and Subacute Toxicity Assessment of Crude Aqueous Extract of Melastoma malabathricum Leaves
Journal type: Citation-Indexed - Scopus

PUBLICATION

2025

Microbiome dynamic: Diversity in healthy and mastitis milk herd

2025

Phosphate solubilizing bacteria (PSB) and commercial rock phosphate: an effective combination for oil palm nursery

2025

Acute and Subacute Toxicity Assessment of Crude Aqueous Extract of Melastoma malabathricum Leaves

2024

Antibacterial effect of Melastoma malabathricum leaves extract against locally isolated bovine mastitis pathogens

2023

Biodegradation of Expanded and Extruded Polystyrene with Different Diets by Using Zophobas atratus Larvae (Coleoptera: Tenebrionidae)

2023

Potential Novel Plant Growth Promoting Rhizobacteria for Bio-Organic Fertilizer Production in the Oil Palm (Elaeis guineensis Jacq.) in Malaysia

2022

A Cost-Effective Novel Biochemical Fertilizer for Better Managing Nutrient Levels and Vegetative Growth in the Immature Oil Palm (Elaeis guineensis Jacq.)

2022

Antibacterial activity of Sireh (Piper betle L.) leaf extracts for controlling bacterial leaf blight diseases in rice plant

2022

Genomic mapping milk microbiota from healthy, sub-clinical and clinical mastitis of Jersey Friesian cattle in a Malaysian farm

2022

Screening and Formulating of Novel Carriers for Xanthomonas Bacteriophage to Control Bacterial Leaf Blight Disease

2021

Isolation and Characterization of Novel Phages Targeting Xanthomonas oryzae: Culprit of Bacterial Leaf Blight Disease in Rice

2021

Isolation, screening and characterization of bacteria associated with cocoa tree roots for different plant growth promotion (PGP) activities

2020

Effects of phages on the gut microbiota and their impact on probiotic efficacy in broiler chickens

2020

Phage therapy creates innovative applications to combat bacteria diseases in food and agriculture

2020

Isolation, Screening, and Characterization of Bacteria Associated with Cocoa Tree Root for Different Plant Growth Promotion (PGP) Activities

2019

Utilization of Beneficial Bacteria Incorporated with Carrier Materials on Growth Response of Cocoa (Theobroma Cacao L.) Seedlings

2019

ASSOCIATION OF POLYMORPHISM IN BRCA1, TLR4 AND CACNA2D1 GENES WITH SOMATIC CELL SCORE AND MILK YIELD IN FRESIAN-SAHIWAL (MAFRIWAL) COWS

2018

Bacteriophage as potential therapeutic agent against Xanthomonas oryzae pv oryzae in rice

2018

Characterization and effect of protectants on preservation of Bacillus methylotrophicus UPMC 1166 isolated from liquid biofertilizer

2017

Characterisation, Identification, Estimation of the Growth Curve and Preservation of Bacillus methylotrophicus UPMC 1166 Isolated from Liquid Biofertilizer Products

2016

Efficacy of Smart Fertilizer for Combating Bacterial Wilt Disease in Solanum Lycopersicum

2016

Identification of potential indigenous microbe from local fermented vegetables with antimicrobial activity

2016

Rep-PCR analyses on discrimination of Escherichia coli isolates recovered from mucosal contents of chicken intestines

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