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Evolution of l ‐ DOPA 4,5‐dioxygenase activity allows for recurrent speciali...

Sheehan, Hester Feng, Tao Walker‐Hale, Nathanael Lopez‐Nieves, Samuel Boas Pucker Guo, Rui Yim, Won C. Badgami, Roshani Timoneda, Alfonso Zhao, Lijun ...

Published in New Phytologist

The evolution of l‐DOPA 4,5‐dioxygenase activity, encoded by the gene DODA, was a key step in the origin of betalain biosynthesis in Caryophyllales. We previously proposed that l‐DOPA 4,5‐dioxygenase activity evolved via a single Caryophyllales‐specific neofunctionalisation event within the DODA gene lineage. However, this neofunctionalisation even...

The evolution of betalain biosynthesis in Caryophyllales

Timoneda, Alfonso Feng, Tao Sheehan, Hester Walker‐Hale, Nathanael Boas Pucker Lopez‐Nieves, Samuel Guo, Rui Brockington, Samuel

Published in New Phytologist

Within the angiosperm order Caryophyllales, an unusual class of pigments known as betalains can replace the otherwise ubiquitous anthocyanins. In contrast to the phenylalanine‐derived anthocyanins, betalains are tyrosine‐derived pigments which contain the chromophore betalamic acid. The origin of betalain pigments within Caryophyllales and their mu...

Cytoskeletal and membrane dynamics during higher plant cytokinesis.

Colleen McMichael Bednarek, Sebastian Y

Published in New Phytologist

Following mitosis, cytoplasm, organelles and genetic material are partitioned into daughter cells through the process of cytokinesis. In somatic cells of higher plants, two cytoskeletal arrays, the preprophase band and the phragmoplast, facilitate the positioning and de novo assembly of the plant-specific cytokinetic organelle, the cell plate, whic...

Diverse functional responses to drought in a Mediterranean-type shrubland in South Africa

T West A Dawson E February G Midgley W Bond T Aston

Published in New Phytologist

Changes in arbuscular mycorrhizal fungal phenotypes and genotypes in response to plant species identity and phosphorus c...

Ehinger, Martine Koch, Alexander M Sanders, Ian R

Published in The New phytologist

* Arbuscular mycorrhizal fungi (AMF) are plant symbionts that improve floristic diversity and ecosystem productivity. Many AMF species are generalists with wide host ranges. Arbuscular mycorrhizal fungi individuals are heterokaryotic, and AMF populations are genetically diverse. Populations of AMF harbor two levels of genetic diversity on which sel...

The influence of species and growing conditions on oxygen isotope leaf water enrichment and its impact on “effective pat...

A Kahmen K Simonin K Tu G Goldsmith Todd Dawson

Published in New Phytologist

Water sources and controls on water-loss rates of epigeous ecotomycorrhizal fungal sporocarps during summer drought

E Lilleskov T Bruns Todd Dawson F Camacho

Published in New Phytologist

Occurrence of nodulation in unexplored leguminous trees native to the West African tropical rainforest and inoculation r...

Diabate, Moussa Munive, Antonio de Faria, Sérgio Miana Ba, Amadou Dreyfus, Bernard Galiana, Antoine

Published in New Phytologist

Despite the abundance and diversity of timber tree legumes in the West African rainforest, their ability to form nitrogen-fixing nodules in symbiosis with rhizobia, and their response to rhizobial inoculation, remain poorly documented. In the first part of this study the occurrence of nodulation was determined in 156 leguminous species growing in s...

Plant Physiological Ecology: Challenges and New Horizons

E Delucia J Coleman Todd Dawson R Jackson

Published in New Phytologist

Tracing the origin and evolutionary history of plant NBS-LRR genes.

Jia-Xing Yue Blake Meyers Jian-Qun Chen Dacheng Tian Sihai Yang

Published in New Phytologist

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