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Identification of a novel peptide motif that mediates cross-linking of proteins to cell walls

Publicated to:Plant Journal. 20 (5): 563-570 - 1999-12-01 20(5), DOI: 10.1046/j.1365-313X.1999.00631.x

Authors: Domingo, C; Saurí, A; Mansilla, E; Conejero, V; Vera, P

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Abstract

A cDNA clone representing a member of a novel class of cell wall proteins was isolated from tobacco plants. We have designated this protein NtTLRP for tyrosine- and lysine-rich protein. It is structurally related to the previously identified TLRP from tomato plants, sharing a high amino-acid sequence similarity at the C-terminal region. This region contains what appears to be a novel peptide motif which we call CD for cysteine-rich domain, and which is common to several other cell-wall proteins. By using a functional test in transgenic plants, we demonstrate that the presence of the CD domain is per se sufficient to cross-link previously soluble proteins to the cell wall. We present evidence that NtTLRP is cross-linked and specifically localizes to the cell wall of lignified cells. The highly localized deposition of NtTLRP in these cells indicates that this class of cell-wall proteins may have a specialized function in the formation of xylem tissue.

Keywords

Amino acid sequenceCell membrane proteinCell wallCells, culturedCleavageCloneComplementary dnaCross-linking reagentsDna, complementaryExtensinExtracellular matrix proteinsGlycine-rich proteinIsodityrosineLocalizationLycopersicon esculentumMolecular sequence dataNicotiana obtusifoliaNicotiana tabacumPeptide motifPlant proteinsPlantsPlants, genetically modifiedPlants, toxicProtein cross linkingProtein localizationProtein sorting signalsPurificationSequence alignmentSequence homology, amino acidTobaccoTomatoTranscription, geneticTransgenic plantTyrosineXylem

Quality index

Bibliometric impact. Analysis of the contribution and dissemination channel

The work has been published in the journal Plant Journal due to its progression and the good impact it has achieved in recent years, according to the agency WoS (JCR), it has become a reference in its field. In the year of publication of the work, 1999, it was in position 6/136, thus managing to position itself as a Q1 (Primer Cuartil), in the category Plant Sciences.

Independientemente del impacto esperado determinado por el canal de difusión, es importante destacar el impacto real observado de la propia aportación.

Según las diferentes agencias de indexación, el número de citas acumuladas por esta publicación hasta la fecha 2025-05-30:

  • WoS: 27
  • Scopus: 23
  • OpenCitations: 29

Impact and social visibility

From the perspective of influence or social adoption, and based on metrics associated with mentions and interactions provided by agencies specializing in calculating the so-called "Alternative or Social Metrics," we can highlight as of 2025-05-30:

  • The use, from an academic perspective evidenced by the Altmetric agency indicator referring to aggregations made by the personal bibliographic manager Mendeley, gives us a total of: 17.
  • The use of this contribution in bookmarks, code forks, additions to favorite lists for recurrent reading, as well as general views, indicates that someone is using the publication as a basis for their current work. This may be a notable indicator of future more formal and academic citations. This claim is supported by the result of the "Capture" indicator, which yields a total of: 17 (PlumX).

With a more dissemination-oriented intent and targeting more general audiences, we can observe other more global scores such as:

  • The Total Score from Altmetric: 3.