Xylan-based nanocompartments orchestrate plant vessel wall patterning
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Xylan-based nanocompartments orchestrate plant vessel wall patterning. / Wang, Hang; Yang, Hanlei; Wen, Zhao; Gao, Chengxu; Gao, Yihong; Tian, Yanbao; Xu, Zuopeng; Liu, Xiangling; Persson, Staffan; Zhang, Baocai; Zhou, Yihua.
In: Nature Plants, Vol. 8, No. 3, 2022, p. 295-306.Research output: Contribution to journal › Journal article › Research › peer-review
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TY - JOUR
T1 - Xylan-based nanocompartments orchestrate plant vessel wall patterning
AU - Wang, Hang
AU - Yang, Hanlei
AU - Wen, Zhao
AU - Gao, Chengxu
AU - Gao, Yihong
AU - Tian, Yanbao
AU - Xu, Zuopeng
AU - Liu, Xiangling
AU - Persson, Staffan
AU - Zhang, Baocai
AU - Zhou, Yihua
N1 - Publisher Copyright: © 2022, The Author(s), under exclusive licence to Springer Nature Limited.
PY - 2022
Y1 - 2022
N2 - Nanoclustering of biomacromolecules allows cells to efficiently orchestrate biological processes. The plant cell wall is a highly organized polysaccharide network but is heterogeneous in chemistry and structure. However, polysaccharide-based nanocompartments remain ill-defined. Here, we identify a xylan-rich nanodomain at pit borders of xylem vessels. We show that these nanocompartments maintain distinct wall patterns by anchoring cellulosic nanofibrils at the pit borders, critically supporting vessel robustness, water transport and leaf transpiration. The nanocompartments are produced by the activity of IRREGULAR XYLEM (IRX)10 and its homologues, which we show are de novo xylan synthases. Our study hence outlines a mechanism of how xylans are synthesized, how they assemble into nanocompartments and how the nanocompartments sustain cell wall pit patterning to support efficient water transport throughout the plant body.
AB - Nanoclustering of biomacromolecules allows cells to efficiently orchestrate biological processes. The plant cell wall is a highly organized polysaccharide network but is heterogeneous in chemistry and structure. However, polysaccharide-based nanocompartments remain ill-defined. Here, we identify a xylan-rich nanodomain at pit borders of xylem vessels. We show that these nanocompartments maintain distinct wall patterns by anchoring cellulosic nanofibrils at the pit borders, critically supporting vessel robustness, water transport and leaf transpiration. The nanocompartments are produced by the activity of IRREGULAR XYLEM (IRX)10 and its homologues, which we show are de novo xylan synthases. Our study hence outlines a mechanism of how xylans are synthesized, how they assemble into nanocompartments and how the nanocompartments sustain cell wall pit patterning to support efficient water transport throughout the plant body.
U2 - 10.1038/s41477-022-01113-1
DO - 10.1038/s41477-022-01113-1
M3 - Journal article
C2 - 35318447
AN - SCOPUS:85126895534
VL - 8
SP - 295
EP - 306
JO - Nature Plants
JF - Nature Plants
SN - 2055-026X
IS - 3
ER -
ID: 302198407