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Title: Characterizing virus-induced gene silencing at the cellular level with in situ multimodal imaging

Journal Article · · Plant Methods

Reverse genetic strategies, such as virus-induced gene silencing, are powerful techniques to study gene function. Currently, there are few tools to study the spatial dependence of the consequences of gene silencing at the cellular level. Here, we report the use of multimodal Raman and mass spectrometry imaging to study the cellular-level biochemical changes that occur from silencing the phytoene desaturase (pds) gene using a Foxtail mosaic virus (FoMV) vector in maize leaves. The multimodal imaging method allows the localized carotenoid distribution to be measured and reveals differences lost in the spatial average when analyzing a carotenoid extraction of the whole leaf. The nature of the Raman and mass spectrometry signals are complementary: silencing pds reduces the downstream carotenoid Raman signal and increases the phytoene mass spectrometry signal.

Research Organization:
Ames Laboratory (AMES), Ames, IA (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Biological and Environmental Research (BER)
Grant/Contract Number:
Contract No. DE-AC02-07CH11358; DESC0014038; AC02-07CH11358; SC0014038; Hatch Project No. 3808
OSTI ID:
1618908
Alternate ID(s):
OSTI ID: 1440994
Report Number(s):
IS-J-9659; 37; PII: 306
Journal Information:
Plant Methods, Journal Name: Plant Methods Vol. 14 Journal Issue: 1; ISSN 1746-4811
Publisher:
Springer Science + Business MediaCopyright Statement
Country of Publication:
United Kingdom
Language:
English
Citation Metrics:
Cited by: 9 works
Citation information provided by
Web of Science

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Cited By (1)

VIGS: a flexible tool for the study of functional genomics of plants under abiotic stresses journal July 2019