Sexual reproduction of plants requires pollen to land on the stigma, which then germinates and grows pollen tubes through the style to deliver sperm cells to the ovule. Pollen tubes are the fastest-growing plant cells known. ...
Plants & Animals
Jan 4, 2023
0
23
The bacteria in our intestinal tract play many essential roles in maintaining our health and metabolism. Keeping these organisms happy and striking a good balance among species is therefore very important to remaining healthy. ...
Cell & Microbiology
Dec 13, 2022
0
3
In the context of climate change, the phenomenon of oxygen-depleted areas in the ocean has become a focus of scientific attention in recent years. These areas, known as oxygen minimum zones (OMZ), are located in the Indian ...
Evolution
Jun 21, 2022
0
54
In paddy fields, water management creates long-term anaerobic conditions in which soil organic carbon (SOC) mineralisation is largely coupled with redox processes. Iron oxides are one of the main minerals in paddy soils, ...
Earth Sciences
Oct 16, 2020
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3
Current carbon cycle models may underestimate the amount of carbon dioxide released from the soil during rainy seasons in temperate forests like those found in the northeast United States, according to Penn State researchers.
Environment
Feb 14, 2020
12
152
A new study provides a fundamental understanding of the diversification of small molecules called respiratory quinones and its adaptive consequences in bacterial species. Bioengineers at the University of California San Diego ...
Cell & Microbiology
Nov 25, 2019
0
120
Two relatively small beaked whale species took exceptionally long, deep dives while foraging in the Bahamas, confounding expectations that larger whales dive should be able to dive for longer than smaller whales, according ...
Plants & Animals
Oct 11, 2017
2
73
Researchers at the RIKEN SPring-8 Center in Harima, Japan, have clarified the crystal structure of quinol dependent nitric oxide reductase (qNOR), a bacterial enzyme that offers clues on the origins of our earliest oxygen-breathing ...
Biochemistry
Jan 22, 2012
0
0
