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GlcAT14A/B/D are involved in microgametogenesis of Arabidopsis thaliana pollen
, 2019 openaire +2 more sources
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Ultrastructure of microsporogenesis and microgametogenesis in Brachypodium distachyon
Protoplasma, 2015Brachypodium distachyon has emerged as a model system for forage grass and cereal grain species. Here, we report B. distachyon pollen development at the ultrastructural level. The process of microsporogenesis and microgametogenesis in B. distachyon follows the typical angiosperm pollen development sequence.
Akanksha Sharma +2 more
semanticscholar +4 more sources
Arabidopsis exocyst subunit SEC6 is involved in cell plate formation during Microgametogenesis.
Biochemical and Biophysical Research Communications, 2022Cytokinesis during pollen mitosis I is critical for cell division and differentiation in the male gametophyte development, but the vesicle trafficking mechanisms in this process are largely unknown. Exocyst is an octameric tethering complex which plays multiple important roles in plant cell vesicle trafficking.
Xiaoyun Tan +7 more
semanticscholar +3 more sources
Molecular genetic analyses of microsporogenesis and microgametogenesis in flowering plants.
Annual Review of Plant Biology, 2005In flowering plants, male reproductive development requires the formation of the stamen, including the differentiation of anther tissues. Within the anther, male meiosis produces microspores, which further develop into pollen grains, relying on both sporophytic and gametophytic gene functions.
Hong Ma
semanticscholar +3 more sources
Fine structural study of the microgametogenesis of Eimeria auburnensis
Zeitschrift f�r Parasitenkunde, 2004The microgametogenesis of Eimeria auburnensis from experimentally infected calves killed 16 to 18 days after inoculation was investigated with the electron microscope. Early microgametocytes had nuclei with compact nucleoli and relatively few electron-dense masses.
D. M. Hammond +2 more
semanticscholar +3 more sources
Plant Systematics and Evolution, 2014
In the present study, microsporogenesis, microgametogenesis and pollen wall ontogeny in Campsis radicans (L.) Seem. were studied from sporogenous cell stage to mature pollen using transmission electron microscopy. To observe the ultrastructural changes that occur in sporogenous cells, microspores and pollen through progressive developmental stages ...
S. T. Konyar
semanticscholar +5 more sources
In the present study, microsporogenesis, microgametogenesis and pollen wall ontogeny in Campsis radicans (L.) Seem. were studied from sporogenous cell stage to mature pollen using transmission electron microscopy. To observe the ultrastructural changes that occur in sporogenous cells, microspores and pollen through progressive developmental stages ...
S. T. Konyar
semanticscholar +5 more sources
Rye B Chromosomes Influence the Dynamics of Histone H3 Methylation during Microgametogenesis
Cytogenetic and Genome Research, 2014We have studied the trimethylation dynamics of lysines 4 and 27 of histone H3 in rye with and without B chromosomes (Bs) in root tip mitosis, meiosis, and pollen grain mitosis by immunostaining. In root meristems, H3K4me3 immunolabeling was homogeneous along the chromosome arms of the normal complement (As), with the exception of the pericentromeric ...
M. González-Sánchez +3 more
semanticscholar +3 more sources
Micron, 2012
Dynamics of plastids and mitochondria during microgametogenesis in watermelon were examined by means of transmission electron microscopy. Plastids are present as proplastids in the microspore and as amyloplasts in the vegetative cell of the bicellular pollen grain, whereas the generative cell is completely devoid of plastids, suggesting that microspore
Lin Liu
semanticscholar +3 more sources
Dynamics of plastids and mitochondria during microgametogenesis in watermelon were examined by means of transmission electron microscopy. Plastids are present as proplastids in the microspore and as amyloplasts in the vegetative cell of the bicellular pollen grain, whereas the generative cell is completely devoid of plastids, suggesting that microspore
Lin Liu
semanticscholar +3 more sources
Microsporogenesis, microgametogenesis, and pollen morphology of Ambrosia artemisiifolia L. in China
Plant Systematics and Evolution, 2011Ambrosia artemisiifolia L. from Ambrosia of the Heliantheae of the Asteraceae family is a recognized harmful weed worldwide and one of the major invasive foreign plants in China. In this study, we investigated its reproductive features, focusing on its microsporogenesis, microgametogenesis, and pollen morphology.
Jiaxi Liu +5 more
semanticscholar +2 more sources