ArticleJournal of experimental botany2010
Changes in growth and cell wall extensibility of maize silks following pollination.
Article in Journal of experimental botany, 2010. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.
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Who cites it
12 citing papers in PubMed, 28 citations in OpenAlex.
- Maize stigmas react differently to self- and cross-pollination and fungal invasion.Plant physiology · 2024Article
- Maize pollen carry bacteria that suppress a fungal pathogen that enters through the male gamete fertilization route.Frontiers in plant science · 2023Article
- Reproductive developmental transcriptome analysis of Tripidium ravennae (Poaceae).BMC genomics · 2021Article
- Article
- Hetero-fertilization together with failed egg-sperm cell fusion supports single fertilization involved in in vivo haploid induction in maize.Journal of experimental botany · 2018Article
- Ovary Apical Abortion under Water Deficit Is Caused by Changes in Sequential Development of Ovaries and in Silk Growth Rate in Maize.Plant physiology · 2016Article
- Expansins: roles in plant growth and potential applications in crop improvement.Plant cell reports · 2016Review
- Circadian rhythms synchronise intracellular calcium dynamics and ATP production for facilitating Arabidopsis pollen tube growth.Plant signaling & behavior · 2015Review
- Genome-wide identification and characterization of maize expansin genes expressed in endosperm.Molecular genetics and genomics : MGG · 2014Article
- Functional genomics of a generalist parasitic plant: laser microdissection of host-parasite interface reveals host-specific patterns of parasite gene expression.BMC plant biology · 2013Article
- Identification of genes specifically or preferentially expressed in maize silk reveals similarity and diversity in transcript abundance of different dry stigmas.BMC genomics · 2012Article
- Solutions for a local equation of anisotropic plant cell growth: an analytical study of expansin activity.Journal of the Royal Society, Interface · 2011Article
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Authors and funding
2 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
In response to pollination maize silks undergo an accelerated process of senescence which involves an inhibition of elongation. To gain insight into the mechanism underlying this growth response, the relationships among silk elongation kinetics, cell wall biophysical properties, pollen tube growth, and expansin protein abundance were investigated. The inhibition of silk elongation became apparent beyond 12 h after pollination. Pollinated walls were less responsive in assays of extension induced by pollen beta-expansin. Expansin protein abundance and endogenous expansin activity were not considerably reduced after pollination. Silk wall plastic compliance was significantly reduced 6 h post-pollination and beyond, suggesting that the wall undergoes structural modifications leading to its rigidification in response to pollination. The reduction in the plastic compliance occurred locally and progressively, shortly after pollen tubes traversed through a region of silk. Though numerous pollen grains germinated and initiated pollen tubes at the silk tip, the density of pollen tubes gradually declined along the length of the silk and only 1-2 reached the ovary even 24 h after pollination. These results support the notion that pollination-induced cell wall rigidification plays multiple roles in maize reproduction, including inhibition of silk growth and prevention of polyspermy.
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