Báo cáo khoa học: Plant oxylipins: COI1/JAZs/MYC2 as the core jasmonic acid-signalling module pptx

... FEBSMINIREVIEW Plant oxylipins: COI1/JAZs/MYC2 as the core jasmonic acid-signalling module Andrea Chini, Marta Boter and Roberto SolanoDepartamento de Gene´tica Molecular de Plantas, Centro Nacional de ... has been proposed to be the active form of the hormone, and COI1 is an essential component of the receptor complex. These recent discoveries have deﬁned the core JA-signal-ling pathway as the ... understand the ﬁne-tuningof this core module. As described above, the nature of the active plant hormone is essential to fully appreciate the details of JA perception. JA–Ile is the only bioac-tive...

Báo cáo khoa học: Plant oxylipins: role of jasmonic acid during programmed cell death, defence and leaf senescence doc

... precur-sors of jasmonic acid activate the synthesis of wound-inducible proteinase inhibitors. Plant Cell 4, 129–134.5 Creelman RA, Tierney ML & Mullet JE (1992) Jasmonic acid ⁄ methyl jasmonate ... Solano R (2009) Plant oxylipins: COI1 ⁄ JAZs ⁄ MYC2 as the core jasmonic acid-signal-ling module. FEBS J 276, doi:10.1111 ⁄ j.7142-4658.2009.07194.x90 McConn M & Browse J (1996) The critical ... Rein-bothe, unpublished results). In contrast to barley andother monocots, neither JIP60 nor any other RIP-related genes are detectable in the genome of the model plant A. thaliana. Nevertheless,...

Báo cáo khoa học: Plant oxylipins: Plant responses to 12-oxo-phytodienoic acid are governed by its speciﬁc structural and functional properties ppt

... (2009) Plant oxylipins: COI1/JAZs/MYC2 as the core jasmonic acid-signalling module. FEBS J 276, doi:10.1111/j.1742-4658.2009.07194.x57 Farmer EE, Alme´ras E & Krishnamurthy V (2003)Jasmonates ... FarmerEE (2001) Plant defense in the absence of jasmonic acid: the role of cyclopentenones. Proc Natl Acad SciUSA 98, 12837–12842.79 Taki N, Sasaki-Sekimoto Y, Obayashi T, Kikuta A,Kobayashi K, Ainai ... precursors. Muchrecent research has focused on the analysis of thesecompounds. The biosynthesis of most plant oxylipinsis initiated by the action of lipoxygenases (LOX),which are capable of...

Báo cáo khoa học: Plant nuclear proteomics – inside the cell maestro pdf

... focuses on plant nucleusproteomes, as the proteomics of whole plants [8–13]has been previously reviewed. Furthermore, we willhere discuss the uniqueness of the nucleus within the cell and the problems ... the plant nucleus and its compartments. Until recently,knowledge about the nucleus in planta was limited to the characterization of the nucleolus, the CBs, andspeckles [1,27]. Speckles are areas ... release to the site of func-tion. It has been shown that they are dynamic com-plexes, moving very fast between the nucleus and the nucleolus [34]. The difference between mammalian and plant cells,...

Báo cáo khoa học: Hyaluronan–CD44 interactions as potential targets for cancer therapy pptx

... differences among the three HASs. The HA-synthesizing capacity ofHASs and, speciﬁcally, HAS2 can be regulated bydimerization and ubiquitination [60]. In this study, the mutation of the HAS2 lysine ... anincrease in cancer-associated ﬁbroblasts ⁄ myoﬁbroblaststhat produce an array of growth factors and chemokin-es, and amplify the synthesis of HA and proteoglycanssuch as versican. The interaction ... The interaction of the anti-adhesionmolecule versican with HA and CD44 promotes the expansion of the pericellular matrix. These complexesincrease the viscoelastic nature of the pericellularmatrix,...

Tài liệu Báo cáo khoa học: Unfolding and aggregation during the thermal denaturation of streptokinase pptx

... An average of 10 scans wasobtained. A baseline was subtracted from the spectra of the samples and ﬁnally the result was smoothed. The meanresidue ellipticity, [Q], was calculated in units of ... cleardouble salt bridge with the Asp32 and Asp106 sidechainswithin domain A [5], although we cannot exclude the participation of other ionisable groups.On the other hand, the results described here ... denaturationwas assessed by comparing the thermograms obtained intwo consecutive scans with the same sample. The occur-rence of time-dependent denaturation processes accom-panying the thermal unfolding...

Báo cáo khoa học: Data-driven docking for the study of biomolecular complexes pptx

... also more ‘dynamic’ aspectsof biomolecular complexes. When available, classicalNMR data such as NOEs can also be incorporatedinto HADDOCK, as was the case for generating the solution structure ... formation[137,138]. Another kind of ﬂexibility which, in ouropinion without a good reason, has not had muchattention is that complexes themselves might bedynamic. As the forces that hold together the non-covalently ... considers as candidates only the residues thatare on the surface of the partner proteins. The generalidea then is that mutation of an interface residue willinﬂuence the interaction, whereas for...

Tài liệu Báo cáo khoa học: Steﬁn A displaces the occluding loop of cathepsin B only by as much as required to bind to the active site cleft doc

... site, the farther away the occluding loop residues areshifted. As seen in the tetragonal form of the cathepsinB chagasin complex (3CBK), the depth of the bindingof inhibitor as well as the shift ... features of the inhibitors as well as to the packing constraints of the environment. The lar-ger and wider the features of the ligands that competewith the occluding loop for binding to the active ... related to the size of the binding region. It is smallest in the procathepsin structures and increases in the series of complexes with steﬁnA and chagasin, although it has no impact on the binding...

Tài liệu Báo cáo khoa học: Plant–pathogen interactions: what is proteomics telling us? doc

... invasionand prevents further disease development [1].With regard to plant pathogens, the capacity to over-come plant defence, by protecting themselves from the oxidative stress activated by the ... through the modiﬁcation of speciﬁchost proteins. The secretion of extracellular enzymes,such as pectin esterases, polygalacturonases, xylanases,pectato lyases and cellulases, is another essential ... viruses use plant host proteins to complete the steps of the infection process and suffer the inﬂu-ences of plant host proteins as a counteraction against the infection. The genes that encode these...

Tài liệu Báo cáo khoa học: Peroxiredoxin II functions as a signal terminator for H2O2-activated phospholipase D1 doc

... interactionsinvolving other proteins, such as actin, protein kinase N,casein-kinase-2-like serine kinase and amphiphysin,Keywordshydrogen peroxide; peroxiredoxin II;phosphatidic acid; phospholipase D1; ... at the SUNY-Stony Brook CASM facility. The most promin-ent band ( 22 kDa; indicated by the arrow in Fig. 2)was identiﬁed as PrxII (Fig. 3). PrxII is a 22 kDa pro-tein that belongs to the ... production. As described here, the identiﬁcation of PrxII as a stimulation-dependentPLD1-interacting protein suggests that it would func-tion as a signal terminator, as the oxidation of H2O2inthe...

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