Results 51 to 60 of about 19,341 (259)

Nuclear Entanglement: New Insights Into the Role of Cytoskeleton and Nucleoskeleton in Plant Nuclear Function

Cytoskeleton, EarlyView.
ABSTRACT Of the three types of cytoskeleton known in animals—actin, microtubules, and intermediate filaments—only actin and microtubules exist in plants. Both play important roles in cellular shaping, organelle movement, organization of the endomembrane system, and cell signaling.
Norman R. Groves, Katelyn Amstutz, Lily A. Schumacher, Iris Meier   +3 more
wiley   +1 more source

In Vitro Live Cell Imaging Reveals Nuclear Dynamics and Role of the Cytoskeleton During Asymmetric Division of Pollen Mitosis I in Nicotiana Benthamiana

Cytoskeleton, EarlyView.
ABSTRACT Pollen is a male gametophyte of angiosperms. Following meiosis, the microspore undergoes an asymmetric division called pollen mitosis I (PMI), which produces two cells of different sizes: a large vegetative cell and a small generative cell. Polarized nuclear migration and positioning during PMI are important for successful pollen development ...
Yoko Mizuta, Masako Igarashi, Tomomi Shinagawa, Ikuma Kaneshiro, Haoto Anan, Daisuke Kurihara   +5 more
wiley   +1 more source

Assessment of pollen viability and germinability in some European chestnut genotypes (Castanea sativa L.)

Horticultural Science, 2008
Pollen viability and germinability in some European chestnut genotypes was assessed in this study. In 10 chestnut genotypes, percentages of pollen viability were generally high and often around or over 80%.
N. Beyhan, U. Serdar
doaj   +1 more source

Powerful yet challenging: mechanistic niche models for predicting invasive species potential distribution under climate change

Ecography, EarlyView.
Risk assessments of invasive species present one of the most challenging applications of species distribution models (SDMs) due to the fundamental issues of distributional disequilibrium, niche changes, and truncation. Invasive species often occupy only a fraction of their potential environmental and geographic ranges, as their spatiotemporal dynamics ...
Erola Fenollosa, Sean E. H. Pang, Natalie J. Briscoe, Antoine Guisan, Roberto Salguero-Gómez   +4 more
wiley   +1 more source

Seeds as space‐time travelers: How does evolution balance the joint benefits and trade‐offs of dormancy and dispersal?

American Journal of Botany, EarlyView.
Sofia Backlund, Sean Stankowski, Rosina Soler   +2 more
wiley   +1 more source

Buck Wheat: Nutritional, Bioactive Characteristics, Health Benefits, and Side Effects

Future Postharvest and Food, EarlyView.
ABSTRACT Micronutrient deficits have resulted from an over‐reliance on a small number of cereal crops for food security. The agricultural sector faces severe sustainability issues due to the rapid growth of the world's population and sudden climatic changes.
Momina Farooq, Sajad Ahmad Mir, Zahida Naseem   +2 more
wiley   +1 more source

The Arabidopsis KINβγ Subunit of the SnRK1 Complex Regulates Pollen Hydration on the Stigma by Mediating the Level of Reactive Oxygen Species in Pollen.

PLoS Genetics, 2016
Pollen-stigma interactions are essential for pollen germination. The highly regulated process of pollen germination includes pollen adhesion, hydration, and germination on the stigma. However, the internal signaling of pollen that regulates pollen-stigma
Xin-Qi Gao, Chang Zhen Liu, Dan Dan Li, Ting Ting Zhao, Fei Li, Xiao Na Jia, Xin-Ying Zhao, Xian Sheng Zhang   +7 more
doaj   +1 more source

Improvised Media for In Vitro Pollen Germination of some Species of Apocynaceae

International Journal of Environment, 2014
Pollen germination forms one of the most important stage post pollination prior to fertilization. This is essential for proper seed setting and seed development. In vitro pollen germination test is the most reliable way of assessing the pollen viability.
Reshmi Chatterjee, Satadip Sarkar, GM Narasimha Rao   +2 more
doaj   +1 more source

Selection for persistence of endophyte‐free meadow fescue under intensive grazing versus frequent mowing

Grassland Research, EarlyView.
Cattle grazing meadow fescue pasture in remnant oak savanna near Fennimore, Wisconsin. Abstract Background Meadow fescue (Schedonorus pratensis (Huds.) P. Beauv.) is highly adapted to managed rotational grazing systems with sufficient rest periods to promote regrowth and sward longevity.
Michael D. Casler
wiley   +1 more source

Optimizing Wheat Pollen Preservation for Enhanced Viability and In Vitro Germination

Agronomy
Wheat pollen, which is characterized by its short lifespan, exhibits rapid germination after anthesis. The preservation of wheat pollen is contingent upon environmental factors including temperature, relative humidity, light, and wind.
Irum Khan, Muhammad Kashif Naeem, Armghan Shahzad, Zijin Zhang, Jing Chen, Muhammad Sajjad   +5 more
doaj   +1 more source