Zongcheng Lin

Zongcheng Lin
Ghent University | UGhent · VIB Department of Plant Systems Biology

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11
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Publications

Publications (11)
Article
Regulated or programmed cell death (RCD or PCD) is a fundamental biological principle integral to a considerable variety of functions in multicellular organisms. In plants, different PCD processes are part of biotic and abiotic stress responses, but also occur as an essential aspect of unperturbed plant development. PCD is particularly abundant dur...
Article
Self‐incompatibility (SI) involves specific interactions during pollination to reject incompatible (“self”) pollen, preventing inbreeding in angiosperms. A key event observed in pollen undergoing the Papaver rhoeas SI response is the formation of punctate F‐actin foci. Pollen tube growth is heavily energy dependent, however ATP levels in pollen tub...
Article
Glycosylphosphatidylinositol-anchored proteins (GPI-APs) are tethered to the outer leaflet of the plasma membrane where they function as key regulators of a plethora of biological processes in eukaryotes. Self-incompatibility (SI) plays a pivotal role regulating fertilization in higher plants through recognition and rejection of "self" pollen. Here...
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In eukaryotes, glycosylphosphatidylinositol anchored proteins (GPI-APs) are tethered to the outer leaflet of the plasma membrane where they function as key regulators of a plethora of biological processes. Self-incompatibility (SI) plays a pivotal role regulating fertilization in higher plants through recognition and rejection of ‘self’ pollen. Her...
Article
Full-text available
Self-incompatibility (SI) is used by many angiosperms to reject 'self' pollen and avoid inbreeding. In field poppy (Papaver rhoeas), SI recognition and rejection of 'self' pollen is facilitated by a female S-determinant, PrsS, and a male S-determinant, PrpS. PrsS belongs to the cysteine-rich peptide (CRP) family, whose members activate diverse sign...
Article
Full-text available
Self-incompatibility (SI) is used by many angiosperms to prevent self-fertilization and inbreeding. In common poppy (Papaver rhoeas), interaction of cognate pollen and pistil S-determinants triggers programmed cell death (PCD) of incompatible pollen. We previously identified that reactive oxygen species (ROS) signal to SI-PCD. ROS-induced oxidative...
Article
Full-text available
Pollen tube growth is essential for plant reproduction. Their rapid extension using polarized tip growth provides an exciting system for studying this specialized type of growth. Self-Incompatibility (SI) is a genetically controlled mechanism to prevent self-fertilisation. Mechanistically, one of the best-studied SI systems is that of Papaver rhoea...
Article
Self-Incompatibility (SI) is a genetically controlled mechanism that prevents self-fertilisation and thus encourages outbreeding and genetic diversity. During pollination, most SI systems utilise cell-cell recognition to reject incompatible pollen. Mechanistically, one of the best-studied SI systems is that of Papaver rhoeas (poppy), which involves...
Article
Full-text available
Flowers have a species-specific functional life span that determines the time window in which pollination, fertilization and seed set can occur. The stigma tissue plays a key role in flower receptivity by intercepting pollen and initiating pollen tube growth toward the ovary. In this article, we show that a developmentally controlled cell death pro...
Article
Full-text available
Self-incompatibility (SI) is a major genetically controlled system used to prevent inbreeding in higher plants. S determinants regulate allele-specific rejection of “self” pollen by the pistil. SI is an important model system for cell-to-cell recognition and signaling and could be potentially useful for first-generation (F1) hybrid breeding. To dat...
Article
Self-fertilization, which results in reduced fitness of offspring, is a common problem in hermaphrodite angiosperms. To prevent this, many plants utilize SI (self-incompatibility), which is determined by the multi-allelic S-locus, that allows discrimination between self (incompatible) and non-self (compatible) pollen by the pistil. In poppy (Papave...

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Project
How does actin regulate SI-PCD and what is the role of pH and actin-binding proteins Cyclase-associated Protein (CAP1) and Actin depolymerising Factor (ADF7) in this process? What is the role of clathrin-mediate endocytosis (CME) in pollen SI-PCD? Is Elongation Factor 1-α (EF1A) a missing link between actin dynamics, pH, ROS and SI-PCD?