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@ARTICLE{Matei:846015,
author = {Matei, Alexandra and Ernst, Corinna and Günl, Markus and
Thiele, Björn and Altmüller, Janine and Walbot, Virginia
and Usadel, Björn and Doehlemann, Gunther},
title = {{H}ow to make a tumour: cell type specific dissection of
{U}stilago maydis- induced tumour development in maize
leaves},
journal = {The new phytologist},
volume = {217},
number = {4},
issn = {0028-646X},
address = {Oxford [u.a.]},
publisher = {Wiley-Blackwell},
reportid = {FZJ-2018-03185},
pages = {1681 - 1695},
year = {2018},
abstract = {The biotrophic fungus Ustilago maydis causes smut disease
on maize (Zea mays), which is characterized by immense plant
tumours. To establish disease and reprogram organ primordia
to tumours, U. maydis deploys effector proteins in an
organ‐specific manner. However, the cellular contribution
to leaf tumours remains unknown. We investigated leaf tumour
formation at the tissue‐ and cell type‐specific levels.
Cytology and metabolite analysis were deployed to understand
the cellular basis for tumourigenesis. Laser‐capture
microdissection was performed to gain a cell type‐specific
transcriptome of U. maydis during tumour formation. In vivo
visualization of plant DNA synthesis identified bundle
sheath cells as the origin of hyperplasic tumour cells,
while mesophyll cells become hypertrophic tumour cells. Cell
type‐specific transcriptome profiling of U. maydis
revealed tailored expression of fungal effector genes.
Moreover, U. maydis See1 was identified as the first cell
type‐specific fungal effector, being required for
induction of cell cycle reactivation in bundle sheath cells.
Identification of distinct cellular mechanisms in two
different leaf cell types and of See1 as an effector for
induction of proliferation of bundle sheath cells are major
steps in understanding U. maydis‐induced tumour formation.
Moreover, the cell type‐specific U. maydis transcriptome
data are a valuable resource to the scientific community.},
cin = {IBG-2},
ddc = {580},
cid = {I:(DE-Juel1)IBG-2-20101118},
pnm = {582 - Plant Science (POF3-582)},
pid = {G:(DE-HGF)POF3-582},
typ = {PUB:(DE-HGF)16},
pubmed = {pmid:29314018},
UT = {WOS:000424284400026},
doi = {10.1111/nph.14960},
url = {https://juser.fz-juelich.de/record/846015},
}