Results 21 to 30 of about 25,416 (239)
Meiosis in pollen mother cells of Pinus contorta [PDF]
Hereditas, 2009 Meiosis in pollen mother cells (PMC) of Pinus contorta Dougl. growing at Roskar (lat. 59°25′ long. 18°11′ altitude 20 m) and Mangbyn (lat. 63°58′ long. 20°24′ altitude 70 m) was investigated. The appearance of the PMC during the different meiotic stages agreed well with most other conifers. The onset of meiosis, estimated as the temperature sum (degree
INGER EKBERG +2 more
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Aberrant meiotic behavior in
BMC Plant Biology, 2002 Background Agave tequilana Weber var. azul, is the only one variety permitted by federal law in México to be used for tequila production which is the most popular contemporary alcoholic beverage made from agave and recognized worldwide.
Rodríguez-Garay Benjamin +1 more
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Functional analysis of the Arabidopsis TETRASPANIN gene family in plant growth and development [PDF]
, 2015 TETRASPANIN (TET) genes encode conserved integral membrane proteins that are known in animals to function in cellular communication during gamete fusion, immunity reaction and pathogen recognition.
Himanen, Kristiina +6 more
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Introgression in interspecific hybrids of lily [PDF]
, 2002 In order to introduce new desirable characters into the cultivar assortment of lily a range of interspecific crossing barriers has to be overcome. By using various pollination and embryo rescue techniques pre- and postfertilization barriers were overcome
Lim, K.B. +2 more
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Calcium distribution during anther development in Impatiens balsamina
Biologia Plantarum, 2020 The subcellular localization of loosely bound calcium in developing anthers of Impatiens balsamina (rose balzam) was investigated using potassium antimonate to precipitate the ions.
S.J. YANG +4 more
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Sequential Deposition and Remodeling of Cell Wall Polymers During Tomato Pollen Development
Frontiers in Plant Science, 2021 The cell wall of a mature pollen grain is a highly specialized, multilayered structure. The outer, sporopollenin-based exine provides protection and support to the pollen grain, while the inner intine, composed primarily of cellulose, is important for ...
Syeda Roop Fatima Jaffri +1 more
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Use of the complex of models of regression for analysis of the factors that determine the severity of bronchial asthma [PDF]
, 2020 Background: According to an International Study of Asthma and Allergies in Childhood (ISAAC), the prevalence of asthma in children of 6-7 years old has increased by 10%, and at the age of 13-14 years by 16% over the last decade.
Kozhyna, Olga S., Pihnastyi, O. M.
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Meiosis in Pollen Mother Cells of Linum usitatissimum [PDF]
Japanese Journal of Crop Science, 1934 1. The resting nucleus of the pollen mother cell of Linum usitatissimum contains prochromosomes distributed irregularly throughout the nuclear cavity, but always connected with the reticulum (Fig. 1). 2. With the beginning of the nuclear division occurs the contraction of the nuclear contents away from the nuclear membrane, and at the same time takes ...
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Acta Societatis Botanicorum Poloniae, 2015 Incorporation of the following lipid precursors: DL-mevalonic acid-2 3H, 3H palmitic acid and acetic acid-3H sodium salt, into the anther cells of Muscari comosum (L.) Mili. has been investigated.
Barbara Gabara
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Meiotic behavior and diploidy in Schinus terebinthifolia (Anacardiaceae)
Rodriguésia, 2021 The genus Schinus (Anacardiaceae) comprises 30 species found in Peru, Bolivia, Chile, Paraguay, Uruguay, Argentina and Brazil. Schinus terebinthifolia (Brazilian pepper tree) is socioeconomically important in the Brazilian state of Espírito Santo.
Kamila Bernardi Izoton +3 more
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