Results 301 to 310 of about 76,851 (355)
The power of ionic movements in plants
New Phytologist, Volume 249, Issue 5, Page 2232-2240, March 2026.Summary The movement of ion‐driven electrogenic events known as plant action potentials in the Venus flytrap Dionaea muscipula has first been recognized in Darwin's time. Besides electrophysiological techniques making use of current‐ and voltage‐recording electrodes, today an ever‐growing spectrum of tools has become available, that report online ...
Rainer Hedrich, Ines Kreuzer
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New Phytologist, Volume 249, Issue 5, Page 2515-2530, March 2026.Summary Fumonisin B1 (FB1) is a mycotoxin that disrupts ceramide biosynthesis and kills plants. Prior activation with bacterial microbe‐associated molecular patterns (MAMPs), such as components of bacterial flagella, effectively suppresses FB1‐induced cell death.
Ali O. Alqarni +3 more
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Evaluation of Pollen Tube Growth Using Lilium Lancifolium Flower
, 2014 Harika Sokkam
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Climate adaptation and functional constraints drive pollen evolution in Apiales
New Phytologist, Volume 249, Issue 5, Page 2574-2587, March 2026.Summary Pollen grains exhibit remarkable morphological diversity, shaped by selective pressures from environmental factors and mechanical constraints. Here, we investigate macroevolutionary patterns of pollen morphology in Apiales, an order of angiosperms with significant ecological and geographical diversity, to disentangle the roles of climate and ...
Jakub Baczyński +3 more
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New Phytologist, Volume 249, Issue 5, Page 2196-2214, March 2026.Summary Plant‐derived oils are essential sources of reduced carbon and various fatty acid (FA) structures for food, biofuels, and the oleochemical industry. Despite extensive efforts, engineering mainstream oilseed crops to produce high levels of industrially valuable unusual FAs (UFAs) remains challenging.
Prasad Parchuri +4 more
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Staining Germinating Pollen and Pollen Tubes
Stain Technology, 1958Germinating pollen on stigmas and pollen tubes in styles of Antirrhinum, Brassica, Oenothera, Raphanus, Rosa, solatium and Tagetes spp. were prepared for examination as follows: The styles were fixed in ethyl alcohol-acetic acid 3:1 for 1 hr, and hydrolyzed at 60°C for 5 to 60 min (depending on the species) in 45% acetic acid.
L A, DIONNE, P B, SPICER
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2010
Pollen tubes grow rapidly in a strictly polarized manner as they transport male reproductive cells through female flower tissues to bring about fertilization. Vegetative pollen tube cells are an excellent model system to investigate processes underlying directional cell expansion.
Mark A, Johnson, Benedikt, Kost
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Pollen tubes grow rapidly in a strictly polarized manner as they transport male reproductive cells through female flower tissues to bring about fertilization. Vegetative pollen tube cells are an excellent model system to investigate processes underlying directional cell expansion.
Mark A, Johnson, Benedikt, Kost
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Nature Plants, 2020
A major question in plant reproduction is how pollen tubes perceive and decode female cues from the ovule for directional delivery of sperm cells. MILDEW RESISTANCE LOCUS-O proteins regulate pollen tube guidance by decoding ovular signals.
Yan Ju, Sharon A. Kessler
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A major question in plant reproduction is how pollen tubes perceive and decode female cues from the ovule for directional delivery of sperm cells. MILDEW RESISTANCE LOCUS-O proteins regulate pollen tube guidance by decoding ovular signals.
Yan Ju, Sharon A. Kessler
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Electron Microscopy Reviews, 1991
In the last few years the role of pollen and the pollen tube in the fertilization process in higher plants has received considerable attention. By ultrastructural, biochemical and immunofluorescent investigations it has been shown that a cytoskeletal apparatus plays a central role in pollen tube growth.
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In the last few years the role of pollen and the pollen tube in the fertilization process in higher plants has received considerable attention. By ultrastructural, biochemical and immunofluorescent investigations it has been shown that a cytoskeletal apparatus plays a central role in pollen tube growth.
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1960
In 1694, Camerarius reported that anthers play the role of male sexual organs in plants (Maheshwari, 1950). Later, AMICI observed pollen tubes travelling through the stigma and style of Portulaca oleracea and in 1830 he concluded that pollen tubes elongate and ultimately come in contact with the ovule (Maheshwari, 1950). Since then the work of numerous
B. M. Johri, I. K. Vasil
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In 1694, Camerarius reported that anthers play the role of male sexual organs in plants (Maheshwari, 1950). Later, AMICI observed pollen tubes travelling through the stigma and style of Portulaca oleracea and in 1830 he concluded that pollen tubes elongate and ultimately come in contact with the ovule (Maheshwari, 1950). Since then the work of numerous
B. M. Johri, I. K. Vasil
openaire +1 more source