Results 71 to 80 of about 1,985 (173)
Gametophyte development in angiosperms occurs within diploid sporophytic structures and requires coordinated development; e.g., development of the male gametophyte pollen depends on the surrounding sporophytic tissue, the tapetum.
Ying Yu +10 more
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Techniques for subretinal injections in animals
Abstract Subretinal injections are not commonly performed during clinical treatment of animals but are frequently used in laboratory animal models to assess therapeutic efficacy and safety of gene and cell therapy products. Veterinary ophthalmologists are often employed to perform the injections in the laboratory animal setting, due to knowledge of ...
Ryan F. Boyd, Simon M. Petersen‐Jones
wiley +1 more source
Structure and development of male gametophyte in Carya illinoensis (Wangenh.) K. Koch
In order to understand the differentiation of staminate flowers of pecans (Carya illinoensis (Wangenh.) K. Koch), we carried out an integrated study of staminate flower development in a protogynous cultivar, Mahan, by assessing changes in external ...
Minghui Han +3 more
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The technical and practical implementation of fundus photography in equids
Summary Background Fundus photography is an important diagnostic tool in human and veterinary medicine. Advances in research are increasing its accessibility in human medicine. However, there is a lack of studies on modern fundus photography in animals, particularly in horses. Objectives To assess the use of a portable fundus camera developed for human
I. Vierling, B. Wollanke, V. Franzen
wiley +1 more source
Commercial cultivars of garlic, a popular condiment, are sterile, making genetic studies and breeding of this plant challenging. However, recent fertility restoration has enabled advanced physiological and genetic research and hybridization in this ...
Einat eShemesh Mayer +10 more
doaj +1 more source
ABSTRACT Thermo‐sensitive genic male sterility (TGMS) lines play a pivotal role in two‐line hybrid rice breeding. However, the availability of elite TGMS germplasm remains limited, and the molecular mechanisms underlying fertility transition of TGMS lines are still poorly understood.
Siqi Cheng +33 more
wiley +1 more source
Absence of eye shine and tapetum in the heterogeneous eye of Anthocharis butterflies (Pieridae) [PDF]
application/pdfInsect eyes are composed of spectrally heterogeneous ommatidia, typically with three different types. The ommatidial heterogeneity in butterflies can be identified non-invasively by the colorful eye shine, the reflection from the tapetal ...
ARIKAWA, Kentaro +3 more
core +2 more sources
Roles of autophagy in male reproductive development in plants
Autophagy, a major catabolic pathway in eukaryotic cells, is essential in development, maintenance of cellular homeostasis, immunity and programmed cell death (PCD) in multicellular organisms.
Shigeru eHanamata +6 more
doaj +1 more source
Comparative Evaluation of Smartphone‐Based Fundus Imaging Systems in Dogs and Cats
ABSTRACT Objective To compare the feasibility, image quality, acquisition time, and evaluator preference of four smartphone‐based fundus imaging (SBFI) systems in dogs and cats using a handheld fundus camera as a reference device. Animals Studied Twenty client‐owned animals, including 10 dogs and 10 cats.
Bertrand Michaud
wiley +1 more source
Конкурентное и кооперативное поведение клеток в микроспорогенезе покрытосеменных
Aim. A comparative cytological analysis of intra- and intertissue cytomictic interactions in early microsporogenesis of mono- and dicotyledonous plants was performed using two cellular systems: microsporocytes and tapetum. Methods.
Е. А. Кравец +7 more
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