Saskia Hogenhout

Saskia Hogenhout
FRS
Born
Saskia A. Hogenhout

(1969-03-10) March 10, 1969 (age 55)[2]
Alma materVrije Universiteit Amsterdam (MSc)
Wageningen University (PhD)
Scientific career
FieldsBiology
Plant Genetics
Entomology[1]
InstitutionsOhio State University
John Innes Centre
ThesisThe molecular basis of the interactions between luteoviruses and their aphid vectors (1999)
Websitewww.jic.ac.uk/people/saskia-hogenhout Edit this at Wikidata

Saskia A. Hogenhout FRS (born 1969), is a Dutch professor of entomology and ecology specialising in molecular plant, microbe and insect interactions.[3][1][4][5]

Education and career

Hogenhout was educated at Vrije Universiteit Amsterdam with an MSc in Biology in 1994, her PhD looked at the molecular basis of luteovirus-aphid interactions and was awarded at Wageningen University in 1999. [2]

Career and research

After her PhD, Hogenhout moved to Ohio State University to be assistant and then associate professor[6] and since 2007 has been Group Leader in plant health at the John Innes Centre in Norwich.[7]

In 2013, she was appointed honorary professor at the University of East Anglia, and in 2018, she was made professor by special appointment at the University of Amsterdam.[3]

Hogenhout's research investigates the interactions between insects and plants and how microorganisms can manipulate this.[1][4]

Her group discovered the key virulence protein SAP54 which phytoplasma bacteria use to manipulate the flowering of plants, the bacteria is carried between plants by plant feeding insects such as leafhoppers.[8]

Her work looks at other insects that transmit plant diseases such as the peach potato aphid Myzus persicae, this aphid can carry many different plant viruses and feeds on a wide range of plants and can manipulate plants to benefit the aphids by producing virulence proteins.[9] Her group have sequenced the genome of the peach potato aphid and were surprised to find that it was smaller than the pea aphid Acyrthosiphon pisum, a species with many fewer host plants.[10] Hogenhout found that the aphid can adapt the virulence proteins it produces in response to the plant species it is feeding on; and as it can reproduce asexually, producing a clone of genetically identical offspring, local populations of aphids can adapt quickly to their environment.[11]

Hogenhout's research has also looked at the responses of plants to insect feeding, she showed that plants take in calcium to damaged plant cells in the site where aphid feeding stylets penetrate, the cells would then mobilise further calcium in response to this alarm.[12][13]

Hogenhout is leading a major UK consortium project BRIGIT carrying out research into transmission of the bacterial pathogen Xylella fastidiosa, which has caused widespread plant disease in Southern Europe. The research will find out more information about the disease such as symptoms and epidemiology, and look into how the disease may be transmitted by insects such as leafhoppers and the transport of commercial plants by humans.[14]

Awards and honours

Hogenhout was elected a Fellow of the Royal Entomological Society (FRES)[when?] and a Fellow of the Royal Society (FRS) in 2024.[15]

References

  1. ^ a b c Saskia Hogenhout publications indexed by Google Scholar Edit this at Wikidata
  2. ^ a b Hogenhout, Saskia A. (1999). The molecular basis of the interactions between luteoviruses and their aphid vectors. wurl.nl (PhD thesis). Wageningen University. OCLC 905501396.
  3. ^ a b Amsterdam, Universiteit van (2018-11-12). "Saskia Hogenhout, professor by special appointment of Molecular Plant-Microbe-Insect Interactions - University of Amsterdam". University of Amsterdam. Retrieved 2019-12-14.
  4. ^ a b Saskia Hogenhout publications from Europe PubMed Central
  5. ^ Saskia A Hogenhout; El-Desouky Ammar; Anna E Whitfield; Margaret G Redinbaugh (1 January 2008). "Insect vector interactions with persistently transmitted viruses". Annual Review of Phytopathology. 46: 327–359. doi:10.1146/ANNUREV.PHYTO.022508.092135. ISSN 0066-4286. PMID 18680428. Wikidata Q37235297.
  6. ^ "Saskia Hogenhout | B·DEBATE". bdebate.org. Retrieved 2019-12-14.
  7. ^ "Professor Saskia Hogenhout". John Innes Centre. 2018-11-29. Retrieved 2019-12-14.
  8. ^ "Scientists discover the secret behind zombie plants". Engadget. 19 July 2019. Retrieved 2019-12-14.
  9. ^ Kluiters, Georgette (2016-12-16). "Vector-Borne Diseases in the UK – Biennial Conference 2016". BioMed Central. Retrieved 2019-12-14.
  10. ^ "Uncovering the Secrets of a Successful Pest". The Scientist Magazine®. Retrieved 2019-12-14.
  11. ^ "How to be a successful pest: Lessons from the green peach aphid". ScienceDaily. Retrieved 2019-12-14.
  12. ^ "Plants use calcium to convey internal warning of attacking aphids". phys.org. Retrieved 2019-12-14.
  13. ^ Saskia A Hogenhout; Renier van der Hoorn; Ryohei Terauchi; Sophien Kamoun (1 February 2009). "Emerging concepts in effector biology of plant-associated organisms". Molecular Plant-Microbe Interactions. 22 (2): 115–122. doi:10.1094/MPMI-22-2-0115. ISSN 0894-0282. PMID 19132864. Wikidata Q37365393.
  14. ^ Hill, Chris (5 December 2018). "Norwich scientists will lead £4.85m project to battle one of the world's most dangerous plant diseases". Eastern Daily Press. Retrieved 2019-12-14.
  15. ^ Anon. "Professor Saskia Hogenhout FRS". royalsociety.org. London: Royal Society. Retrieved 2024-05-20.


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