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Title: Male–female communication triggers calcium signatures during fertilization in Arabidopsis

Journal Article · · Nature Communications
DOI: https://doi.org/10.1038/ncomms5645 · OSTI ID:1623955
 [1];  [2];  [2];  [2];  [3];  [4];  [4];  [2];  [2];  [5]
  1. Univ. Regensburg (Germany). Biochemie-Zentrum Regensburg. Cell Biology and Plant Biology; Univ. Heidelberg (Germany). Centre for Organismal Studies (COS). Cell Networks-Cluster of Excellence; DOE/OSTI
  2. Univ. Regensburg (Germany). Biochemie-Zentrum Regensburg. Cell Biology and Plant Biology
  3. Ludwig Maximilians Univ. Munchen (Germany). Inst. of Genetics
  4. Carnegie Inst. of Science, Stanford, CA (United States). Dept. of Plant Biology
  5. Univ. Heidelberg (Germany). Centre for Organismal Studies (COS). Cell Networks-Cluster of Excellence; Carnegie Inst. of Science, Stanford, CA (United States). Dept. of Plant Biology

Cell–cell communication and interaction is critical during fertilization and triggers free cytosolic calcium ([Ca2 þ ]cyto) as a key signal for egg activation and a polyspermy block in animal oocytes. Fertilization in flowering plants is more complex, involving interaction of a pollen tube with egg adjoining synergid cells, culminating in release of two sperm cells and their fusion with the egg and central cell, respectively. Here, we report the occurrence and role of [Ca2 þ ]cyto signals during the entire double fertilization process in Arabidopsis. [Ca2 þ ]cyto oscillations are initiated in synergid cells after physical contact with the pollen tube apex. In egg and central cells, a short [Ca2 þ ]cyto transient is associated with pollen tube burst and sperm cell arrival. A second extended [Ca2 þ ]cyto transient solely in the egg cell is correlated with successful fertilization. Thus, each female cell type involved in double fertilization displays a characteristic [Ca2 þ ]cyto signature differing by timing and behaviour from [Ca2 þ ]cyto waves reported in mammals.

Research Organization:
Carnegie Inst. of Washington, Washington, DC (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Biological and Environmental Research (BER). Biological Systems Science Division
Grant/Contract Number:
FG02-04ER15542
OSTI ID:
1623955
Journal Information:
Nature Communications, Journal Name: Nature Communications Journal Issue: 1 Vol. 5; ISSN 2041-1723
Publisher:
Nature Publishing GroupCopyright Statement
Country of Publication:
United States
Language:
English

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Regulation of cell death: the calcium–apoptosis link journal July 2003
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Taking one for the team: self-recognition and cell suicide in pollen journal January 2014
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Male–Female Crosstalk during Pollen Germination, Tube Growth and Guidance, and Double Fertilization journal July 2013
Recombinational Cloning with Plant Gateway Vectors journal December 2007
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MYB98 Is Required for Pollen Tube Guidance and Synergid Cell Differentiation in Arabidopsis journal October 2005
Maternal Control of Male-Gamete Delivery in Arabidopsis Involves a Putative GPI-Anchored Protein Encoded by the LORELEI Gene journal November 2008
Ca 2+ Regulates Reactive Oxygen Species Production and pH during Mechanosensing in Arabidopsis Roots journal August 2009
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A Peptide Hormone and Its Receptor Protein Kinase Regulate Plant Cell Expansion journal January 2014
An in Vitro System for Adhesion and Fusion of Maize Gametes journal March 1994
The Language of Calcium Signaling journal June 2010
Coordinating Nodule Morphogenesis with Rhizobial Infection in Legumes journal June 2008
Cytoplasmic Ca2+ changes dynamically during the interaction of the pollen tube with synergid cells journal October 2012
The cell biology of mammalian fertilization journal November 2013
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ANXUR Receptor-Like Kinases Coordinate Cell Wall Integrity with Growth at the Pollen Tube Tip Via NADPH Oxidases journal November 2013
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Defensin-Like ZmES4 Mediates Pollen Tube Burst in Maize via Opening of the Potassium Channel KZM1 other January 2010
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ANXUR Receptor-Like Kinases Coordinate Cell Wall Integrity with Growth at the Pollen Tube Tip Via NADPH Oxidases text January 2013
A calcium dialog mediated by the FERONIA Signal transduction pathway controls plant sperm delivery text January 2014
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Cytoplasmic Ca2+ changes dynamically during the interaction of the pollen tube with synergid cells text January 2012
ANXUR receptor-like kinases coordinate cell wall integrity with growth at the pollen tube tip via NADPH oxidases text January 2013

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Late progamic phase and fertilization affect calreticulin expression in the Hyacinthus orientalis female gametophyte journal September 2015
Rapid Elimination of the Persistent Synergid through a Cell Fusion Mechanism journal May 2015
Dying two deaths — programmed cell death regulation in development and disease journal February 2017
TrackMate: An open and extensible platform for single-particle tracking journal February 2017
Live imaging of calcium spikes during double fertilization in Arabidopsis journal August 2014
Calcium signals are necessary to establish auxin transporter polarity in a plant stem cell niche journal February 2019
The WASP-Arp2/3 complex signal cascade is involved in actin-dependent sperm nuclei migration during double fertilization in tobacco and maize journal February 2017
An imbalanced parental genome ratio affects the development of rice zygotes journal March 2018
An organ-on-a-chip approach for investigating root-environment interactions in heterogeneous conditions journal April 2017
Emerging roles for microtubules in angiosperm pollen tube growth highlight new research cues journal February 2015
Arabinogalactan Proteins as Interactors along the Crosstalk between the Pollen Tube and the Female Tissues journal December 2016
Identifying and Engineering Genes for Parthenogenesis in Plants journal February 2019
Life Is Simple—Biologic Complexity Is an Epiphenomenon journal April 2016
Calcium: A Critical Factor in Pollen Germination and Tube Elongation journal January 2019
The beginning of a seed: regulatory mechanisms of double fertilization text January 2014
Knockin' on pollen's door: live cell imaging of early polarization events in germinating Arabidopsis pollen text January 2015
New advances and future directions in plant polyspermy journal March 2020
Polyspermy in angiosperms: Its contribution to polyploid formation and speciation journal March 2020
Generation of a homozygous fertilization-defective gcs1 mutant by heat-inducible removal of a rescue gene journal February 2015
Mechanisms of endosperm initiation journal July 2016
Calcium controls the formation of vacuoles from mitochondria to regulate microspore development in wheat journal September 2017
Cytosolic calcium localization and dynamics during early endosperm development in the genus Agave (Asparagales, Asparagaceae) journal March 2019
Advances in the study of egg activation of higher plants journal December 2018
MATRILINEAL, a sperm-specific phospholipase, triggers maize haploid induction journal January 2017
Live imaging of calcium spikes during double fertilization in Arabidopsis journal August 2014
Calcium signalling mediates self-incompatibility response in the Brassicaceae journal September 2015
Calcium signals are necessary to establish auxin transporter polarity in a plant stem cell niche journal February 2019
Gamete fusion is facilitated by two sperm cell-expressed DUF679 membrane proteins journal March 2019
Insights into secrets along the pollen tube pathway in need to be discovered journal March 2019
Sperm Entry into the Egg Cell Induces the Progression of Karyogamy in Rice Zygotes journal May 2019
CrRLK1L receptor-like kinases HERCULES RECEPTOR KINASE 1 and ANJEA are female determinants of pollen tube reception posted_content January 2019
Pollen tube-triggered accumulation of NORTIA at the filiform apparatus facilitates fertilization in Arabidopsis thaliana posted_content January 2020
Calcium imaging in Arabidopsis pollen cells using G-CaMP5: Calcium imaging in Arabidopsis pollen cells journal April 2018
Dual-flow-RootChip reveals local adaptations of roots towards environmental asymmetry at the physiological and genetic levels journal November 2017
Advances and current challenges in calcium signaling journal January 2018
Elucidating the roles of three β-glucuronosyltransferases (GLCATs) acting on arabinogalactan-proteins using a CRISPR-Cas9 multiplexing approach in Arabidopsis journal May 2020
Cr RLK 1L receptor‐like kinases HERK 1 and ANJEA are female determinants of pollen tube reception journal December 2019
The beginning of a seed: regulatory mechanisms of double fertilization journal September 2014
Identifying and Engineering Genes for Parthenogenesis in Plants journal February 2019
Calcium: A Critical Factor in Pollen Germination and Tube Elongation journal January 2019
The beginning of a seed: regulatory mechanisms of double fertilization text January 2014