Samiullah Khan

Research Interests

Animal Cell and Molecular Biology Animal Production Microbial Ecology Microbiology Veterinary Immunology Veterinary Microbiology

Dr Samiullah Khan

Grant-Funded Researcher (A)

School of Animal and Veterinary Sciences

College of Science

Eligible to supervise Masters and PhD - email supervisor to discuss availability.

Dr Khan’s research targets certain aspects of food safety and poultry production through the application of molecular tools for understanding host-pathogen interactions. Dr Khan works as a postdoctoral fellow in Prof Kapil Chousalkar Research Lab at the School of Animal and Veterinary Sciences, The University of Adelaide. Dr Khan uses molecular microbiology tools to understand the role of zoonotic pathogens in food safety.   

Date Position Institution name
2017 - ongoing Postdoctoral Fellow University of Adelaide

Date Type Title Institution Name Country Amount
2019 Award The University of Adelaide Travelling Award The University of Adelaide Australia 1000
2017 Award The Houghton Trust Travel Grant 2017 Houghton Trust United Kingdom -
2017 Award World Poultry Science Association Travel Grant 2017 World Poultry Science Association Netherlands -
2017 Award World Poultry Science Association Travel Grant 2018 World Poultry Science Association Netherlands 1500
2017 Award Poultry Science Association (USA) Graduate Student Travel Award 2017 Poultry Science Association United States 2000
2016 Award World Poultry Congress 2016 Youth Program World Poultry Congress, China China -
2016 Research Award British Poultry Science Travelling Award 2016 British Poultry Science United Kingdom -
2014 Scholarship Keith & Dorothy Mackay Postgraduate Travelling Scholarship 2014 University of New England Australia -
2013 Scholarship International Postgraduate Research Scholarship (IPRS) University of New England Australia -
2013 Research Award British Poultry Science Travelling Award 2013 British Poultry Science United Kingdom -

Language Competency
English Can read, write, speak, understand spoken and peer review
Panjabi; Punjabi Can read, write, speak, understand spoken and peer review
Pushto; Pashto Can read, write, speak, understand spoken and peer review
Urdu Can read, write, speak, understand spoken and peer review

Date Institution name Country Title
2014 - 2017 University of New England Australia PhD (Molecular Biology)
2010 - 2012 University of New England Australia Master of Rural Science (Poultry Science)
2003 - 2008 Sindh Agriculture University Tandojam Pakistan DVM

Year Citation
2025 Khan, S., Mcwhorter, A. R., Willson, N. -L., Andrews, D. M., Underwood, G. J., Moore, R. J., . . . Chousalkar, K. K. (2025). Vaccine protection of broilers against various doses of wild-type Salmonella Typhimurium and changes in gut microbiota. VETERINARY QUARTERLY, 45(1), 1-14.
DOI Scopus3 WoS2 Europe PMC2
2025 Jia, S., McWhorter, A. R., Khan, S., Andrews, D. M., Underwood, G. J., & Chousalkar, K. K. (2025). In vitro and in vivo study on the effects of nutritive media compared with water on the resuscitation of a live attenuated Salmonella Typhimurium vaccine. Veterinary Quarterly, 45(1), 1-10.
DOI
2025 Zhang, J., McWhorter, A. R., Khan, S., Willson, N. -L., & Chousalkar, K. K. (2025). Characterization of Lactobacillus spp. isolated from layer hens as probiotic candidates.. BMC Vet Res, 21(1), 416.
DOI Scopus1 WoS1 Europe PMC1
2024 Khan, S., McWhorter, A. R., Andrews, D. M., Underwood, G. J., Moore, R. J., Van, T. T. H., . . . Chousalkar, K. K. (2024). A live attenuated Salmonella Typhimurium vaccine dose and diluent have minimal effects on the caecal microbiota of layer chickens. Frontiers in Veterinary Science, 11, 1364731-1-1364731-11.
DOI Scopus4 WoS3 Europe PMC3
2024 Khan, S., McWhorter, A. R., Andrews, D. M., Underwood, G. J., Moore, R. J., Van, T. T. H., . . . Chousalkar, K. K. (2024). Dust sprinkling as an effective method for infecting layer chickens with wild-type Salmonella Typhimurium and changes in host gut microbiota. Environmental Microbiology Reports, 16(3), e13265-1-e13265-13.
DOI Scopus3 WoS2 Europe PMC2
2024 Jia, S., McWhorter, A. R., Khan, S., Willson, N. L., Andrews, D. M., Underwood, G. J., & Chousalkar, K. K. (2024). Effect of vaccine diluents on the colonization of Salmonella Typhimurium vaccine in chickens. Veterinary and Animal Science, 26, 100409-1-100409-8.
DOI Scopus1 WoS1 Europe PMC1
2023 Jia, S., McWhorter, A. R., Khan, S., Andrews, D. M., Underwood, G. J., & Chousalkar, K. K. (2023). Investigation of a gel-based delivery method for the administration of a live, attenuated Salmonella Typhimurium vaccine.. Veterinary microbiology, 280, 109721.
DOI Scopus7 WoS7 Europe PMC6
2022 Weerasooriya, G., Khan, S., Chousalkar, K. K., & McWhorter, A. R. (2022). Invasive potential of sub-lethally injured Campylobacter jejuni and Salmonella Typhimurium during storage in chicken meat juice. Food Control, 135, 108823-1-108823-13.
DOI Scopus11 WoS9
2021 McWhorter, A. R., Khan, S., Sexton, M., Moyle, T. S., & Chousalkar, K. K. (2021). Acidification and extended storage at room temperature of mayonnaise reduce Salmonella Typhimurium virulence and viability. Food Research International, 141, 110117-1-110117-9.
DOI Scopus10 WoS9 Europe PMC4
2021 Tenzin, S., Ferro, S., Khan, S., Deo, P., & Trott, D. J. (2021). Spray and aerosolised pH-neutral electrochemically activated solution reduces Salmonella Enteritidis and total bacterial load on egg surface. Applied Sciences, 11(2), 732-1-732-12.
DOI Scopus3 WoS4
2021 Lin, Q., Chousalkar, K. K., McWhorter, A. R., & Khan, S. (2021). Salmonella Hessarek: An emerging food borne pathogen and its role in egg safety. Food Control, 125, 107996-1-107996-10.
DOI Scopus18 WoS17
2021 Joat, N. N., Khan, S., & Chousalkar, K. (2021). Understanding the effects of intramuscular injection and feed withdrawal on Salmonella Typhimurium shedding and gut microbiota in pullets. JOURNAL OF ANIMAL SCIENCE AND BIOTECHNOLOGY, 12(1), 15 pages.
DOI Scopus12 WoS12 Europe PMC13
2021 Khan, S., & Chousalkar, K. K. (2021). Functional enrichment of gut microbiome by early supplementation of Bacillus based probiotic in cage free hens: a field study. Animal Microbiome, 3(1), 1-18.
DOI Scopus21 WoS18 Europe PMC17
2021 Weerasooriya, G., McWhorter, A. R., Khan, S., & Chousalkar, K. K. (2021). Transcriptomic response of Campylobacter jejuni following exposure to acidified sodium chlorite.. NPJ science of food, 5(1), 9 pages.
DOI Scopus13 WoS10 Europe PMC8
2021 Khan, S., McWhorter, A. R., Moyle, T. S., & Chousalkar, K. K. (2021). Refrigeration of eggs influences the virulence of Salmonella Typhimurium.. Sci Rep, 11(1), 1-12.
DOI Scopus19 WoS16 Europe PMC8
2020 Khan, S., & Chousalkar, K. K. (2020). Short-term feeding of probiotics and synbiotics modulates caecal microbiota during Salmonella Typhimurium infection but does not reduce shedding and invasion in chickens.. Appl Microbiol Biotechnol, 104(1), 319-334.
DOI Scopus30 WoS28 Europe PMC23
2020 Khan, S., Roberts, J., & Wu, S. -B. (2020). Regulation of Immunity-Related Genes by Infectious Bronchitis Virus Challenge in Spleen of Laying Chickens. VIRAL IMMUNOLOGY, 33(5), 413-420.
DOI Scopus8 WoS7 Europe PMC7
2020 Khan, S., & Chousalkar, K. K. (2020). Salmonella Typhimurium infection disrupts but continuous feeding of Bacillus based probiotic restores gut microbiota in infected hens.. Journal of animal science and biotechnology, 11(1), 29.
DOI Scopus106 WoS104 Europe PMC90
2020 Khan, S., Moore, R. J., Stanley, D., & Chousalkar, K. K. (2020). Gut microbiota of laying hens and its manipulation with prebiotics and probiotics to enhance gut health and food safety.. Applied and environmental microbiology, 86(13), 1-18.
DOI Scopus270 WoS237 Europe PMC205
2020 Khan, S., & Chousalkar, K. K. (2020). Transcriptome profiling analysis of caeca in chicks challenged with Salmonella Typhimurium reveals differential expression of genes involved in host mucosal immune response.. Applied microbiology and biotechnology, 104(21), 9327-9342.
DOI Scopus17 WoS17 Europe PMC16
2020 Zhang, J., Khan, S., & Chousalkar, K. K. (2020). Development of PMAxx<sup>TM</sup>-Based qPCR for the Quantification of Viable and Non-viable Load of Salmonella From Poultry Environment. Frontiers in Microbiology, 11, 581201.
DOI Scopus19 WoS19 Europe PMC16
2020 Chousalkar, K. K., Khan, S., & McWhorter, A. R. (2020). Microbial quality, safety and storage of eggs. Current Opinion in Food Science, 38, 91-95.
DOI Scopus42 WoS33
2019 Chousalkar, K., Sims, S., McWhorter, A., Khan, S., & Sexton, M. (2019). The Effect of Sanitizers on Microbial Levels of Chicken Meat Collected from Commercial Processing Plants.. International journal of environmental research and public health, 16(23), 11 pages.
DOI Scopus25 WoS21 Europe PMC17
2019 Khan, S., Wu, S., & Roberts, J. (2019). RNA-sequencing analysis of shell gland shows differences in gene expression profile at two time-points of eggshell formation in laying chickens. BMC Genomics, 20(1), 20 pages.
DOI Scopus35 WoS30 Europe PMC24
2019 Khan, S., Roberts, J., & Wu, S. B. (2019). Genes involved in mitochondrial biogenesis and function may not show synchronised responses to mitochondria in shell gland of laying chickens under infectious bronchitis virus challenge. BMC Molecular and Cell Biology, 20(1), 13 pages.
DOI Scopus6 WoS6 Europe PMC4
2017 Samiullah, S., Roberts, J., & Wu, S. B. (2017). Downregulation of ALAS1 by nicarbazin treatment underlies the reduced synthesis of protoporphyrin IX in shell gland of laying hens. Scientific Reports, 7(1), 13 pages.
DOI Scopus22 WoS17 Europe PMC17
2017 Khan, S., Roberts, J., & Wu, S. (2017). Reference gene selection for gene expression study in shell gland and spleen of laying hens challenged with infectious bronchitis virus. Scientific Reports, 7(1), 12 pages.
DOI Scopus24 WoS23 Europe PMC18
2017 Samiullah, S., Omar, A. S., Roberts, J., & Chousalkar, K. (2017). Effect of production system and flock age on eggshell and egg internal quality measurements. POULTRY SCIENCE, 96(1), 246-258.
DOI Scopus86 WoS79 Europe PMC48
2017 Samiullah, S., Roberts, J., & Wu, S. (2017). Reference gene selection for the shell gland of laying hens in response to time-points of eggshell formation and nicarbazin. PLoS ONE, 12(7), 20 pages.
DOI Scopus8 WoS7 Europe PMC6
2016 Samiullah, S., Roberts, J., & Chousalkar, K. (2016). Infectious bronchitis virus and brown shell colour: Australian strains of infectious bronchitis virus affect brown eggshell colour in commercial laying hens differently. Avian Pathology, 45(5), 552-558.
DOI Scopus6 WoS6 Europe PMC7
2016 Samiullah, S., Roberts, J., & Chousalkar, K. (2016). Oviposition time, flock age, and egg position in clutch in relation to brown eggshell color in laying hens. Poultry Science, 95(9), 2052-2057.
DOI Scopus31 WoS26 Europe PMC14
2015 Samiullah, S., Roberts, J., & Chousalkar, K. (2015). Eggshell color in brown-egg laying hens - a review. Poultry Science, 94(10), 2566-2575.
DOI Scopus115 WoS100 Europe PMC72
2014 Samiullah., Roberts, J., & Chousalkar, K. (2014). Effect of production system and flock age on egg quality and total bacterial load in commercial laying hens. Journal of Applied Poultry Research, 23(1), 59-70.
DOI Scopus68 WoS51
2014 Samiullah, S., & Roberts, J. (2014). The eggshell cuticle of the laying hen. World's Poultry Science Journal, 70(4), 693-708.
DOI Scopus37 WoS37
2013 Samiullah, S. (2013). Contagious caprine pleuropneumonia and its current picture in Pakistan: a review. Veterinarni Medicina, 58(8), 389-398.
DOI Scopus24 WoS17
2013 Samiullah, S., & Roberts, J. (2013). The location of protoporphyrin in the eggshell of brown-shelled eggs. Poultry Science, 92(10), 2783-2788.
DOI Scopus54 WoS54 Europe PMC37
2013 Samiullah, S. (2013). Salmonella infantis, a potential human pathogen has an association with table eggs. International Journal of Poultry Science, 12(3), 185-191.
DOI Scopus7
2013 Roberts, J., Chousalkar, K., & Samiullah, S. (2013). Egg quality and age of laying hens: Implications for product safety. Animal Production Science, 53(12), 1291-1297.
DOI Scopus55 WoS47
2013 Samiullah, S., Chousalkar, K., Roberts, J., Sexton, M., May, D., & Kiermeier, A. (2013). Effects of egg shell quality and washing on Salmonella Infantis penetration. International Journal of Food Microbiology, 165(2), 77-83.
DOI Scopus44 WoS28 Europe PMC21

Year Citation
2019 Khan, S., Chousalkar, K., & McWhorter, A. (2019). Salmonella interventions and their limitations. In Australian Veterinary Poultry Association Scientific Meeting. Sydney.
2018 Khan, S., & Chousalkar, K. (2018). Cecal luminal microbial diversity profiling of laying chicks is manipulated by probiotics supplementation and Salmonella Typhimurium challenge.. In Australian Society of Microbiology. Adelaide.
2017 Samiullah, S., Wu, S. -B., & Robert, J. (2017). RNA-Seq analysis of the shell gland region of oviduct in laying hens challenged with T strain of infectious bronchitis virus. In Australian Veterinary Poultry Association, Scientific Meeting. Sydney.
2017 Khan, S., Wu, S. -B., & Roberts, J. (2017). Quantification of mitochondrial count and protoporphyrin ix associated gene expression in relation to different stages of eggshell formation and nicarbazin challenge in the shell gland of laying hen. In Proceedings of the 28th Annual Australian Poultry Science Symposium (pp. 78-83). Australia: Poultry Research Foundation.
2016 Khan, S., Omar, A., Roberts, J., & Chousalkar, K. (2016). Effect of production system and flock age on egg quality. In Proceedings of Australian Poultry Science Symposium (pp. 133-136). online: Poultry Research Foundation.
2015 Samiullah, S., Roberts, J., & Chousalkar, K. (2015). Effect of infectious bronchitis virus strains (N1/88, T) on eggshell colour in unvaccinated brown egg laying hens. In XVI European Symposium on the Quality of Eggs and Egg Products. France.
2015 Samiullah, K., Roberts, J., & Chousalkar, K. (2015). Quantification of protoporphyrin ix from eggshell of brown egg laying hens challenged with vaccine and wild strains of infectious bronchitis virus. In Proceedings of Australian Poultry Science Symposium. Sydney.
2014 Samiullah, K., Roberts, J., & Chousalkar, K. (2014). Effect of infectious bronchitis virus strains on eggshell pigment in vaccinated and unvaccinated brown egg laying hens. In 10th Asian Pacific Poultry Conference. South Korea.
2014 Roberts, J., Scott, P., Samiullah, S., Fernando, N., & Anwar, A. M. (2014). Factors affecting egg shell colour. In 10th Asian Pacific Poultry Conference. Thailand.
2014 Samiullah, S., Roberts, J., & Chousalkar, K. (2014). Protoporphyrin quantification from eggshells of laying hens challenged with infectious bronchitis virus strains (N1/88 and T Strains). In Proceedings of Australian Poultry Science Symposium. Sydney.
2014 Roberts, J., Scott, P., Samiullah, S., Fernando, N., & Anwar, A. M. (2014). Maintenance of shell colour in free range laying hens. In Proceedings of Australian Poultry Science Symposium. Sydney.
2013 Samiullah, S., & Roberts, J. (2013). Protoporphyrin IX in shell and cuticle of brown shelled eggs. In Proceedings of Australian Poultry Science Symposium. Sydney.
2013 Samiullah, S., Roberts, J., & Chousalkar, K. (2013). Study of penetration of washed and unwashed table eggs with Salmonella enterica serovar Infantis. In XV European Symposium on the Quality of Eggs and Egg Products. Italy.
2013 Roberts, J., & Samiullah, S. (2013). Maintenance of shell colour in laying hens in free range production. In XV European Symposium on the Quality of Eggs and Egg Products. Italy.
2012 Samiullah, S., Roberts, J., & Chousalkar, K. (2012). Egg quality and food safety of table eggs: Egg quality and age of flock – A longitudinal study. In Proceedings of Australian Poultry Science Symposium. Sydney.
2012 Samiullah, S., Roberts, J., & Chousalkar, K. (2012). Egg quality and food safety of table eggs- A longitudinal study. In 24th World Poultry Congress. Brazil.

Year

Funder

Amount (AUD)

Project

2012-15

Australian Egg Corporation

Limited

357187

Understanding the physiology of shell pigmentation and colour deterioration in laying hens (with Juliet Roberts UNE and Peter Scott Scolexia)

2017-20

Australian Eggs

413,522

Optimisation of use of probiotics for

control of Salmonella (with Kapil Chousalkar)

2018

The University of Adelaide

4000

Investigating the effect of probiotics on short chain fatty acids production in Salmonella

challenged laying hens

2020-2023

ARC-Linkage

540000

Salmonella in Poultry: improving vaccine efficacy (With Kapil Chousalkar, Andrea McWhorter, Robert Moore, Gregory Underwood, Dan Andrews and Richard Gast)

April 2022– till present

Rôle : Course coordinator

  • Biosecurity, Epidemiology and Food Safety for Veterinary Technologists

 

April 2022 –till present

Rôle : lecturing/workshops/tuturials/practicals

  • Animal Handling and Husbandry I (combined)
  • Animal Reproduction
  • Prof Skills II
  • Animal Health II
  • Animal Health III
  • Livestock Production Science II
  • Advanced Animal Husbandry for Veterinary Technologists II

 

July 2021- April 2022

Rôle : Course co co-ordinator

  • Epidemiology, Biosecurity and Food Security II

 

July 2019- till present

Role: Lecturing

  • Laboratory Animals III

 

Jan 2018- Dec 2019

Rôle : Demonstrator

  • Veterinary Anatomy and Physiology II
  • Livestock Production Science II
  • Professional Skills in Veterinary Bioscience II
  • Animal Health III
  • Animal Handling and Husbandry I (combined)

Date Role Research Topic Program Degree Type Student Load Student Name
2021 - 2025 Co-Supervisor Study of gut microbiota in hens at latelay: Focus on Lactobacillus species Doctor of Philosophy Doctorate Full Time Mr Jiawei Zhang
2020 - 2025 Co-Supervisor Improving the Efficacy of Salmonella Typhimurium Vaccination Doctor of Philosophy Doctorate Full Time Dr Siyuan Jia
2019 - 2022 Co-Supervisor Study of Foodborne Pathogens in Poultry Doctor of Philosophy Doctorate Full Time Dr Gayani Kuriyawe Muhandiramlage

Date Role Research Topic Location Program Supervision Type Student Load Student Name
2024 - ongoing Co-Supervisor Salmonella vaccine efficacy in poultry The University of Adelaide - Doctorate Full Time Milad Yaghoubi
2020 - ongoing Principal Supervisor Use of alternative diluents to increase the efficacy of a live, attenuated Salmonella Typhimurium vaccine The University of Adelaide Master of Biotechnology Master Full Time Boyang Xu
2020 - ongoing Co-Supervisor Quorum Sensing and Shikimate molecules as microbial stimulants for a live-attenuated Salmonella Typhimurium vaccine The University of Adelaide Master of Biotechlology Master Full Time Trairong Chokwassanasakulkit
2020 - ongoing Co-Supervisor Virulence study of Salmonella Enteritidis The University of Adelaide Master of Biotechnology Master Full Time Vishnu Tikku
2020 - 2020 Co-Supervisor Optimisation of decontamination protocol for poultry farms in Australia The University of Adelaide - Honours Full Time Shruti Vijay Kumar
2019 - 2020 Principal Supervisor Development of qPCR for quantification of viable and total load of Salmonella from poultry environment The University of Adelaide Master of Biotechnology Master Full Time Jiawei Zhang
2019 - 2020 Co-Supervisor Growth and gene expression of Salmonella Hessarek and Salmonella Typhimurium in eggs The University of Adelaide Master of Biotechnology Master Full Time Qixing Lin
2019 - 2020 Co-Supervisor Study of Salmonella Typhimurium vaccine The University of Adelaide Master of Biotechnology Master Full Time Siyuan Jia

Date Role Membership Country
2019 - 2020 Member Australian Society of Microbiology Australia
2013 - 2017 Member Poultry Science Association United States
2013 - 2017 Member American Association of Microbiology United States
2012 - ongoing Member World Poultry Science Association Australia
2008 - ongoing Member Pakistan Veterinary Medical Council Pakistan

Date Role Editorial Board Name Institution Country
2021 - ongoing Consulting Editor Zoonotic Diseases MDPI Zoonotic Diseases Switzerland
2021 - ongoing Associate Editor BMC Microbiology BioMed Central Ltd Australia

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