Dr Samiullah Khan

• Biography/ Background

  Dr Samiullah Khan completed his PhD in 2017 in Molecular Biology from the University of New England, Australia. Dr Khan holds a Masters degree from the same university and a Veterinary Medicine (DVM) degree from the Sindh Agriculture University, Tandojam, Pakistan. Dr Khan worked as a veterinarian from March 2008 to July 2010 in Pakistan. Dr Khan also worked as a Research Assistant from September 2012 to September 2013 at the University of New England under the supervision of Professor Juliet Roberts. Dr Khan holds expertise in many areas of veterinary medicine including avian molecular microbiology and has published over 40 journal articles, conference abstracts and conference peer-reviewed full-length papers. As an expert in the field, Dr Khan is involved regularly in peer reviewed process of scientific manuscripts for journals including BMC Genomics, Vaccine, Molecular Genetics and Genomics, Bioscience Reports, Scientific Reports, PLOS ONE, Journal of Clinical Microbiology, Current Drug Delivery, Journal of Clinical Microbiology, OIE and Poultry Science. Currently, Dr Khan is a Postdoctoral Fellow in the field of veterinary microbiology with Professor Kapil Chousalkar at The University of Adelaide, Australia. Dr Khan’s research interests include host-pathogen interactions, gut health and food safety.

   

• Qualifications

  DVM, MSc, PhD (Molecular Biology)

• Publications

  Journal Publications

   

  Samiullah Khan, Andrea McWhorter, Dan Andrews, Gregory Underwood, Rob J. Moore, Thi Thu Hao Van, Richard K. Gast and Kapil K. Chousalkar (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.

  Samiullah Khan, Andrea McWhorter, Dan Andrews, Gregory Underwood, Rob J. Moore, Thi Thu Hao Van, Richard K. Gast and Kapil K. Chousalkar (2024). Dust sprinkling as an effective route for infecting layer chickens with Salmonella Typhimurium and changes in gut microbiota. Environmental Microbiology Reports 16(3), e13265.

  Siyuan Jia, Andrea McWhorter, Samiullah Khan, Dan Andrews, Gregory Underwood and Kapil K. Chousalkar (2023). Investigation of a gel-based delivery method for the administration of a live, attenuated Salmonella Typhimurium vaccine. Veterinary Microbiology 280:109721.

  Gayani Weerasooriya, Andrea McWhorter, *Samiullah Khan and Kapil Chousalkar (2022). Virulence of sub lethally injured Campylobacter jejuni in mice. Microbiology Spectrum; 10(4), e00690-22.

  Gayani Weerasooriya, Samiullah Khan, Kapil Chousalkar and Andrea McWhorter (2021). Invasive potential of sub-lethally injured Campylobacter jejuni and Salmonella Typhimurium during storage in chicken meat juice. Food Control, 135; 108823.

  Samiullah Khan and Kapil Chousalkar (2021). Functional enrichment of gut microbiome by early supplementation of Bacillus based probiotic in cage free hens: a field study. Animal Microbiome, 3:50.

  Samiullah Khan, Andrea R. McWhorter, Talia S. Moyle and Kapil K. Chousalkar (2021). Refrigeration of eggs influences the virulence of Salmonella Typhimurium. Scientific Reports 11; 18026.

  Gayani Weerasooriya, Andrea McWhorter, Samiullah Khan and Kapil Chousalkar (2021). Transcriptomic response of Campylobacter jejuni following exposure to acidified sodium chlorite. npj Science of Food, 5:23.

  Nitish Joat, Samiullah Khan and Kapil K. Chousalkar (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, 12:78.  

  Qixing Lin, Kapil K. Chousalkar, Andrea Mcwhorter and Samiullah Khan (2021). Salmonella Hessarek: an emerging food borne pathogen and its role in egg safety. Food Control, 125, 107996.

  Andrea McWhorter, Samiullah Khan, Talia Moyle, Margaret Sexton and Kapil Chousalkar (2021). Acidification and extended storage temperature of mayonnaise reduce Salmonella Typhimurium virulence and viability. Food Research International, 141, 110117.

  Sangay Tenzin, Sergio Ferro, Samiullah Khan, Permal Deo and Darren J Trott (2021). Spray and aerosolised pH-neutral electrochemically activated solution reduces Salmonella Enteritidis and total bacterial load on egg surface. MDPI Applied Sciences, 11, 732.

  Kapil K. Chousalkar, Samiullah Khan and Andrea R. McWhorter (2020). Microbial quality, safety and storage of eggs. Current Opinion in Food Science, 38, 91-95.

  Samiullah Khan and Kapil K. Chousalkar (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, 9327–9342.

  Jiawei Zhang, Samiullah Khan and Kapil K. Chousalkar (2020). Development of PMAxx^TM-based qPCR for the quantification of viable and non-viable load of Salmonella from poultry environment. Frontiers in Microbiology, 11, 581201.

  Samiullah Khan, Robert J Moore, Dragana Stanley and Kapil K. Chousalkar (2020). The 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), e00600-20.

  Samiullah Khan and Kapil Chousalkar (2020). Salmonella Typhimurium infection disrupts but continuous feeding of Bacillus based probiotic restores gut microbiota in infected hens.  Journal of Animal Science and Biotechnology; 11:29.

  Samiullah Khan, Juliet Roberts and Shu-Biao Wu. (2020). Regulation of immunity-related genes by infectious bronchitis virus challenge in spleen of laying chickens. Viral Immunology; https://doi.org/10.1089/vim.2019.0139.

  Samiullah Khan and Kapil Chousalkar (2020). Short-term feeding of probiotics and synbiotics modulates caecal microbiota during Salmonella Typhimurium infection but does not reduce shedding and invasion in chicken. Applied Microbiology and Biotechnology; 104, 319-334.

  Kapil Chousalkar, Sarah Sims, Andrea McWhorter, Samiullah Khan and Margaret Sexton (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); 4807.

  Samiullah Khan, Juliet Roberts and Shu-Biao Wu (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 20:3.

  Samiullah Khan, Juliet Roberts and Shu-Biao Wu (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 20:89.

  Samiullah Khan, J.R. Roberts and Shu-Biao Wu. (2017). Reference gene selection for gene expression study in shell gland and spleen of laying hens challenged with infectious bronchitis virus. Scientific Reports 7, 14271.

  Sami Samiullah, Shu-Biao Wu and Juliet Roberts. (2017). Downregulation of ALAS1 by nicarbazin treatment underlies the reduced synthesis of protoporphyrin IX in shell gland of laying hens. Scientific Reports 7; 6253.

  Sami Samiullah, Juliet Roberts and Shu-Biao Wu (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):e0180432.

  Sami Samiullah, Juliet Roberts and Kapil Chousalkar (2016). Oviposition time, flock age and egg position in clutch in relation to brown eggshell colour in laying hens. Poultry Science 95:2052–2057.

  Sami Samiullah, Juliet Roberts and Kapil Chousalkar (2016). The Australian strains of infectious bronchitis virus affect brown eggshell colour in commercial laying hens differently. Avian Pathology 45(5):552-558.

  Sami Samiullah, Amal Saleh Omar, Juliet Roberts and Kapil Chousalkar (2016). Effect of production systems and flocks age on eggshell and egg internal quality measurements. Poultry Science 96 (1): 246-258.

  Sami Samiullah, Juliet Roberts and Kapil Chousalkar (2015). The eggshell colour in brown laying hen-a review. Poultry Science 94:2566-2575.

  Samiullah, Juliet Roberts and Kapil Chousalkar (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.

  Sami Samiullah and Juliet Roberts (2014). The eggshell cuticle of the laying hen. World Poultry Science Journal 70(4):693-708.

  Sami Samiullah and Juliet Roberts (2013). The location of protoporphyrin in the egg shell of brown shelled eggs. Poultry Science, 92(10):2783-2788.  

  Juliet Roberts, Kapil Chousalkar and Samiullah (2013). Egg quality and age of laying hens: implications for product safety. Animal Production Science 53(12):1291-1297.

  Samiullah, Kapil K. Chousalkar, Juliet R. Roberts, M. Sexton, D. May, A. Kiermeier (2013). Effects of eggshell quality and washing on Salmonella Infantis penetration. International Journal of Food Microbiology 165(2):77-83.

  Samiullah Samiullah (2013). Contagious caprine pleuropneumonia and its current picture in Pakistan. Veterinarni Medicina; 58(8):389-398.

  Samiullah Samiullah (2013). Salmonella Infantis, a potential human pathogen has an association with table eggs-a review. International Journal of Poultry Science, 12(3): 185-191.

   

   

  Conference/Congress/Symposium Publications

   

  Samiullah Khan, Andrea R. McWhorter, Gregory J. Underwood, Daniel M. Andrews, Robert J. Moore and Kapil K. Chousalkar (2023). Salmonella Typhimurium vaccine diluent and dose effects on gut microbiota of layer chicks. Oral presentation at: Australian Society of Microbiology annual meeting 2^nd July to 6^th July 2023, held in Perth, Australia.

  Samiullah Khan (2023). Salmonella (the usual suspect). Invited guest for oral presentation at 2023 Food Microbiology Conference organised by The Australian Food Science and Technology, held on 30^th March 2023 in Sydney, Australia.

  Samiullah Khan, Rahul Shankur and Kiro Petrovski (2023). Antimicrobial stewardship in SA intensive livestock – pigs, poultry and feedlot cattle. Invited guest for oral presentation at AMR Summit, held from 15 – 16^th March 2023 in Adelaide, Australia.

  Samiullah Khan, Andrea R. McWhorter, Gregory J. Underwood, Daniel M. Andrews, Robert J. Moore and Kapil K. Chousalkar (2022). Dust infection model for Salmonella Typhimurium infection in poultry. Oral presentation at: Australian Society of Microbiology annual meeting 11^th July to 14^th July 2022, held in Sydney, Australia.

  Samiullah Khan and Kapil K. Chousalkar (2019). Cecal luminal microbial diversity profiling of laying chicks is manipulated by probiotics supplementation and Salmonella Typhimurium challenge. Australian Socienty of Microbiology annual meeting 30^th June to 3^rd July, 2019. Abstract submitted

  Kapil Chousalkar, Andrea McWhorter and Samiullah Khan (2019). Salmonella interventions and their limitations. AVPA Scientific Meeting, 20^th-21^st Feb, 2019.

  Samiullah Khan, Shu-Biao Wu, Juliet Roberts and Kapil Chousalkar (2018). Mitochondrial count in oviduct of laying hens challenged with infectious bronchitis virus. 11^th Asian Poultry Pacific Conference, 25^th -27^th March, Bangkok, Thailand.

  Sami Samiullah, Shu-Biao Wu and Juliet Roberts (2017). RNA Sequencing analysis of the shell gland region of oviduct in laying hens challenged with infectious bronchitis virus. Paper presented at the annual meeting of Poultry Science Association held in Orlando, Florida from July 17-20, 2017.

  Sami Samiullah, Shu-Biao Wu and Juliet Roberts (2017). RNA-Seq analysis of the shell gland region of oviduct in laying hens challenged with T strain of infectious bronchitis virus. AVPA Scientific Meeting, 15-16^th Feb, 2017.

  Sami Samiullah, Shu-Biao Wu and Juliet Roberts (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. Proceedings of the Australian Poultry Science Symposium 2017…28, February 13-15.

  Sami Samiullah, Shu-Biao Wu and Juliet Roberts (2016). Mitochondrial quantification and expression of genes associated with protoporphyrin IX synthesis in the shell gland of laying hens in response to nicarbazin. 25^th World Poultry Cogress, September 5-9, 2016, Beijing, China.

  Sami Samiullah, Amal Saleh Omar, Juliet Roberts and Kapil Chousalkar (2016). Effect of production system and flock age on egg quality. Proceedings of the Australian Poultry Science Symposium 2016…27, February 14-17.

  Sami Samiullah, Juliet Roberts and Kapil Chousalkar (2015). Effect of infectious bronchitis virus strains (N1/88, T) on eggshell colour in unvaccinated brown egg laying hens. XVI European Symposium on the Quality of Eggs and Egg Products. Westotel Nantes (France), May, 10 to 13.

  Sami Samiullah, Juliet Roberts and Kapil Chousalkar (2015). Quantification of protoporphyrin ix from eggshell of brown egg laying hens challenged with vaccine and wild strains of infectious bronchitis virus. Proceedings of the Australian Poultry Science Symposium 2015…26, February 9-11.

  Sami Samiullah, Juliet Roberts and Kapil Chousalkar (2014). Effect of infectious bronchitis virus strains on eggshell pigment in vaccinated and unvaccinated brown egg laying hens. 10^th Asian Pacific Poultry Conference 19-23 October, 2014, Jeju, South Korea.

  Roberts, J.R., P. Scott, Samiullah, S., Fernando, N. and Anwar, A.M. (2014). Factors affecting egg shell colour. 10^th Asian Pacific Poultry Conference 19-23 October, 2014, Jeju, South Korea.

  Sami Samiullah, Juliet Roberts and Kapil Chousalkar (2014). Protoporphyrin quantification from eggshells of laying hens challenged with infectious bronchitis virus strains (N1/88 and T Strains). Proceedings of the Australian Poultry Science Symposium 2014…25, February 16-19.

  Roberts, J.R., P. Scott, Samiullah, S., Fernando, N. and Anwar, A.M. (2014). Maintenance of shell colour in free range laying hens. Proceedings of the Australian Poultry Science Symposium 2014…25, February 16-19.

  Samiullah and J.R. Roberts (2013). Protoporphyrin IX in shell and cuticle of brown shelled eggs. Proceedings of the Australian Poultry Science Symposium 2013…24, February 17-20.

  Samiullah, J.R. Roberts and K. Chousalkar (2013). Study of penetration of washed and unwashed table eggs with Salmonella enterica serovar Infantis. XV European Symposium on the Quality of Eggs and Egg Products. Bergamo, Italy, September 15-19.

  Juliet Roberts and Samiullah (2013). Maintenance of shell colour in laying hens in free range production. XV European Symposium on the Quality of Eggs and Egg Products. Bergamo Italy, September 15-19.

  Samiullah, Juliet Roberts and Kapil Chousalkar (2012). Egg quality and food safety of table eggs: Egg quality and age of flock – A longitudinal study. Proceedings of the Australian Poultry Science Symposium 2012…23, February 19-22.

  Samiullah, Juliet Roberts and Kapil Chousalkar (2012). Egg quality and food safety of table eggs- A longitudinal study. WPC2012 - Salvador - Bahia – Brazil. 5 - 9 August, 2012.

Entry last updated: Tuesday, 18 Jun 2024

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