PXD027038-1

PXD027038 is an original dataset announced via ProteomeXchange.

Title	Colobanthus quitensis differential proteomics
Description	Global warming is strongly affecting the Maritime Antarctica climate and the consequent melting of perennial snow and ice covers resulted in increased colonization by plants. Colobanthus quitensis is a vascular plant highly adapted to the harsh environmental conditions of Antarctic Peninsula and understanding how the plant is responding to global warming is a new challenging target for modern cell physiology. To this aim, we performed differential proteomic analysis on C. quitensis plants grown in natural conditions compared to plants grown for one year inside Open Top Chambers (OTCs) which determine an increase of about 4 °C at midday, mimicking the effect of global warming. A thorough analysis of the up- and down-regulated proteins highlighted an extensive metabolism reprogramming leading to the hypothesis that (i) photorespiration could play an important role in reducing ROS-mediated photodamage improving OTC plants protection against photoinhibition; (ii) OTC plants activate stronger antioxidant defenses as confirmed by enzymatic activity and TBARS content measurement; (iii) the deposition of cell wall components is impaired in OTC plants due to the down-regulation of many enzymes involved in their biosyn-thesis; (iv) OTC plants could suffer of a reduced freezing tolerance due to lower concentration of soluble sugars acting as osmoprotectants.
HostingRepository	PRIDE
AnnounceDate	2024-10-07
AnnouncementXML	Submission_2024-10-07_13:41:02.916.xml
DigitalObjectIdentifier
ReviewLevel	Peer-reviewed dataset
DatasetOrigin	Original dataset
RepositorySupport	Unsupported dataset by repository
PrimarySubmitter	ilaria iacobucci
SpeciesList	scientific name: Colobanthus quitensis; NCBI TaxID: 552857;
ModificationList	(R)-5-oxo-1,4-tetrahydrothiazine-3-carboxylic acid; monohydroxylated residue; deamidated residue; iodoacetamide derivatized residue
Instrument	LTQ Orbitrap

Revision	Datetime	Status	ChangeLog Entry
0	2021-07-01 07:56:16	ID requested
⏵ 1	2024-10-07 13:41:03	announced

Dataset with its publication pending

submitter keyword: Colobanthus quitensis

differential proteomic analysis

Open Top Chambers

response to stress

temperature changes

Prof. Maria Monti
contact affiliation	1. Department of Chemical Sciences, University of Naples Federico II, Naples 80126, Italy 2. CEINGE Advanced Biotechnologies, University of Naples Federico II, Naples 80145, Italy
contact email	montimar@unina.it
lab head
ilaria iacobucci
contact affiliation	Department of Chemical Sciences, University of Naples Federico II, Naples 80126, Italy CEINGE Advanced Biotechnologies, University of Naples Federico II, Naples 80145, Italy
contact email	iacobucci@ceinge.unina.it
dataset submitter

Dataset FTP location NOTE: Most web browsers have now discontinued native support for FTP access within the browser window. But you can usually install another FTP app (we recommend FileZilla) and configure your browser to launch the external application when you click on this FTP link. Or otherwise, launch an app that supports FTP (like FileZilla) and use this address: ftp://ftp.pride.ebi.ac.uk/pride/data/archive/2021/07/PXD027038

PRIDE project URI

• PRIDE
  1. PXD027038
     1. Label: PRIDE project
     2. Name: Colobanthus quitensis differential proteomics