Correlation between pollen aperture pattern and callose deposition in late tetrad stage in three species producing atypical pollen grains
B Albert, A Ressayre, S Nadot - American journal of botany, 2011 - Wiley Online Library
• Premise of the study: Pollen grains of flowering plants display a fascinating diversity of
forms, in spite of their minute size. The observed diversity is determined by the …
forms, in spite of their minute size. The observed diversity is determined by the …
Additional callose deposits are located at the future apertural regions in sulcate, ulcerate, porate, colporate, colpate and syncolpate pollen grains
C Prieu, Z Toghranegar… - Botanical Journal of …, 2017 - academic.oup.com
Pollen grains of flowering plants display a fascinating diversity, and this diversity is
determined by the developmental mechanisms implicated in the establishment of pollen …
determined by the developmental mechanisms implicated in the establishment of pollen …
The influence of tetrad shape and intersporal callose wall formation on pollen aperture pattern ontogeny in two eudicot species
Abstract Background and Aims In flowering plants, microsporogenesis is accompanied by
various types of cytoplasmic partitioning (cytokinesis). Patterns of male cytokinesis are …
various types of cytoplasmic partitioning (cytokinesis). Patterns of male cytokinesis are …
Variation of microsporogenesis in monocots producing monosulcate pollen grains
Z Toghranegar, S Nadot, B Albert - Annals of Botany, 2013 - academic.oup.com
Abstract Background and Aims Microsporogenesis leading to monosulcate pollen grains
has already been described for a wide range of monocot species. However, a detailed study …
has already been described for a wide range of monocot species. However, a detailed study …
Microsporogenesis in angiosperms producing pantoporate pollen
C Prieu, Z Toghranegar, PH Gouyon, B Albert - Botany Letters, 2019 - Taylor & Francis
Pollen grains are produced during meiosis (microsporogenesis), in the anthers of flower
buds. Apertures are usually formed at the last points of contact between the microspores …
buds. Apertures are usually formed at the last points of contact between the microspores …
Post‐meiotic cytokinesis and pollen aperture pattern ontogeny: comparison of development in four species differing in aperture pattern
A Ressayre, L Dreyer, S Triki‐Teurtroy… - American Journal of …, 2005 - Wiley Online Library
Pollen aperture patterns vary widely in angiosperms. An increasing number of studies
indicate that aperture pattern ontogeny is correlated with the way in which cytokinesis that …
indicate that aperture pattern ontogeny is correlated with the way in which cytokinesis that …
Links between early pollen development and aperture pattern in monocots
Although the pollen grains produced in monocots are predominantly monosulcate (or
monoporate), other aperture types are also found within this taxonomic group, such as the …
monoporate), other aperture types are also found within this taxonomic group, such as the …
Release of developmental constraints on tetrad shape is confirmed in inaperturate pollen of Potamogeton
Abstract Background and Aims Microsporogenesis in monocots is often characterized by
successive cytokinesis with centrifugal cell plate formation. Pollen grains in monocots are …
successive cytokinesis with centrifugal cell plate formation. Pollen grains in monocots are …
Multiple developmental pathways leading to a single morph: monosulcate pollen (examples from the Asparagales)
Background and Aims Early developmental events in microsporogenesis are known to play
a role in pollen morphology: variation in cytokinesis type, cell wall formation, tetrad shape …
a role in pollen morphology: variation in cytokinesis type, cell wall formation, tetrad shape …
Hypothetical way of pollen aperture patterning. 1: Formation of 3-colpate patterns and endoaperture geometry
AE Pozhidaev - Review of Palaeobotany and Palynology, 1998 - Elsevier
It has been found that a succession of deviant pollen forms, in which the one with a circular
colpus (sandwich form) gradually transforms to a common 3-radiate form (3-colpate, 3 …
colpus (sandwich form) gradually transforms to a common 3-radiate form (3-colpate, 3 …