Dataset Information

Isolation of Arabidopsis EDS1 complexes from leaves with activated TNL RPS4/RRS1 signaling

ABSTRACT: Nod-like receptors (NLRs) belong to AAA+ ATPases and act as ATP-dependent molecular switches, which detect activity of pathogens. Function of a large class of plant NLRs with Toll-like domain (TNL) is fully dependent on a class of EDS1-like proteins specific to seed plants. EDS1 (Enhanced Disease Susceptibility 1) – like proteins are defined as fusions of two domains: lipase-like a/b hydrolase domain and an a-helical bundle domain specific to the EDS1 family. In Arabidopsis, RRS1-RPS4 TNL signaling is dependent on the nuclear localization of EDS1 and formation of heterodimers between EDS1 and its sequence-related partners, PAD4 and SAG101. Here, we deposited results of affinity purification and LC-MS analyses are deposited for the EDS1 complexes after triggering NLR-dependent immune responses in Arabidopsis leaves. As a negative control, plants expressing GFP-tagged Telomere Repeat Binding 1 were used. The complexes were purified from nuclear enriched fractions of Arabidopsis complementation lines infected with the TNL-triggering bacteria.

INSTRUMENT(S): Q Exactive

ORGANISM(S): Arabidopsis Thaliana (mouse-ear Cress)

TISSUE(S): Plant Cell

SUBMITTER: Sara Christina Stolze

LAB HEAD: Hirofumi Nakagami

PROVIDER: PXD025202 | Pride | 2021-04-06

REPOSITORIES: Pride

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			Action	DRS
	161129_JP_DiLa_P-L4_S_01.raw	Raw
	161129_JP_DiLa_P-L4_S_02.raw	Raw
	161129_JP_DiLa_P-L4_S_03.raw	Raw
	161129_JP_DiLa_P-L4_S_04.raw	Raw
	161129_JP_DiLa_P-L4_S_05.raw	Raw

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Publications

Benralizumab noninferior to mepolizumab for EGPA.

Onuora Sarah S

Nature reviews. Rheumatology 20240501 5

PMID: 38594482

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Project description:There is growing evidence that for a comprehensive insight into the function of plant genes it is crucial to assess their functionalities under a wide range of conditions. In this study we examined the role of LESION SIMULATING DISEASE1 (LSD1), ENHANCED DISEASE SUSCEPTIBILITY1 (EDS1) and PHYTOALEXIN DEFICIENT4 (PAD4) in the regulation of photosynthesis, water use efficiency (WUE), ROS/hormonal homeostasis and seed yield in Arabidopsis thaliana grown in the laboratory and in the field. We demonstrate that the LSD1 null mutant (lsd1), which is known to exhibit a runaway cell death in non-permissive conditions, proves to be more tolerant to combined drought and high-light stress than the wild type. Moreover, depending on growing conditions, it shows variations in WUE, salicylic acid and hydrogen peroxide concentrations, photosystem II maximum efficiency and in transcription profiles. However, despite these changes, lsd1 demonstrates similar seed yield under all tested conditions. All of these traits depend on EDS1 and PAD4. The differences in the pathways prevailing in the lsd1 in various growing environments are manifested by the significantly smaller number of transcripts deregulated in the field compared to the laboratory, with only 43 commonly regulated genes. Our data indicate that LSD1, EDS1 and PAD4 participate in the regulation of various molecular and physiological processes that influence Arabidopsis fitness. On the basis of these results we emphasize that the function of such important regulators as LSD1, EDS1 and PAD4 should be studied not only under stable laboratory conditions, but also in the environment abounding in multiple stresses. Six genotypes x two conditions experiment including five-week-old WT (Ws), lsd1, pad4, eds1, eds1lsd1, and pad4lsd1 plants grown in laboratory or field conditions, hybridized in two loop-designs (lab and field). Two biological replicates. In total, 2 x 12 samples were hybridized on 24 Arabidopsis Gene Expression microarrays V4 (Agilent, two-color array) including color swap of replicate samples.