Review
Plant Sciences
Saurabh Pandey, Amir Bahram Moradi, Oleksandr Dovzhenko, Alisher Touraev, Klaus Palme, Ralf Welsch
Summary: This review discusses the alternation of generations between sporophytic and gametophytic stages in land plants, and the evolutionary origins of these developmental programs. It compares the genetic factors that regulate the switch between haploid and diploid states, and highlights the mechanisms that maintain the separation of sporophytic and gametophytic development.
FRONTIERS IN PLANT SCIENCE
(2022)
Article
Plant Sciences
Elissa S. Sorojsrisom, Benjamin C. Haller, Barbara A. Ambrose, Deren A. R. Eaton
Summary: Plant life cycle models and sexual systems variation can affect genetic diversity and linkage disequilibrium. The shadie program allows for simulations and analysis of biphasic life cycles, helping plant researchers investigate the role of gametophyte life stage and the effects of variation in plant life cycles on plant genome evolution.
APPLICATIONS IN PLANT SCIENCES
(2022)
Article
Plant Sciences
Tamara Machado Matos, Rafael Cruz, Denilson Fernandes Peralta, Gladys Flavia De Albuquerque Melo-de-Pinna, Deborah Yara Alves Cursino dos Santos
Summary: The development of a hydrophobic cuticle covering the epidermis is crucial for the survival of land plants. This study compared the cuticles of the gametophyte and sporophyte of Phaeoceros laevis. The results showed that the sporophyte cuticle had a similar structure to vascular plants, while the gametophyte cuticle was thinner. Additionally, both life phases had a thin film-type wax layer, with the sporophyte having a thicker wax layer than the gametophyte.
FRONTIERS IN PLANT SCIENCE
(2022)
Review
Environmental Sciences
Matthew S. Edwards
Summary: Kelp forests are experiencing declines in abundance and shifts in latitudinal ranges due to environmental stressors, and studies are showing that the microscopic life stages of kelps play an important role in establishing spatial patterns and facilitating recovery. Advances in research methods are helping us understand how these microscopic stages are affected by environmental conditions and how kelp forests might respond to a changing ocean climate.
FRONTIERS IN MARINE SCIENCE
(2022)
Review
Agronomy
Yamini Agarwal, Bhavya Shukla, Abinaya Manivannan, Prabhakaran Soundararajan
Summary: Shoot apical meristem plays an important role in the differential architectural development in plants. The WUS-CLV feedback loop regulates stem cell proliferation and differentiation, and interacts with other signaling networks and pathways.
Article
Environmental Sciences
Fiona-Elaine Strasser, Luis Matos Barreto, Soukaina Kaidi, Brahim Sabour, Ester A. Serrao, Gareth A. Pearson, Neusa Martins
Summary: Thermal tolerance is often interpreted as the thermal range of a species without considering the adaptive potential of populations. This study investigates the population-specific adaptive variation in microscopic life-stages of a kelp species, Laminaria ochroleuca, under different temperature treatments. The findings suggest genetic differentiation in response to variation in local thermal regimes.
FRONTIERS IN MARINE SCIENCE
(2022)
Article
Multidisciplinary Sciences
Holly-Anne Turner, Matthew Humpage, Hans Kerp, Alexander J. Hetherington
Summary: In this study, the fossilized remains of early leafy plants were analyzed to investigate the arrangements of lateral plant organs. It was found that leaves exhibited diverse phyllotaxis, including spirals and spiral whorls. Additionally, the phyllotactic series of leaves and reproductive structures showed similarities, suggesting developmental connections between the organs. These findings provide insights into the debate on leaf origins and demonstrate the ancient occurrence of non-Fibonacci spirals in plants.
Article
Environmental Sciences
Nahlah A. Alsuwaiyan, Karen Filbee-Dexter, Sofie Vranken, Celina Burkholz, Marion Cambridge, Melinda A. Coleman, Thomas Wernberg
Summary: Kelp forests are facing decline due to climate change, and a new restoration approach called green gravel has shown promise in combating this loss.
FRONTIERS IN MARINE SCIENCE
(2022)
Article
Genetics & Heredity
Marianna Palova, Dajana Rucova, Michal Goga, Vladislav Kolarcik
Summary: Somatic polyploidy or endopolyploidy is common in the plant kingdom, with spatial and temporal differences observed in the distribution of endopolyploid cells in gametophytes and sporophytes among 11 selected moss species. Higher ploidy levels were seen in basal parts compared to apical parts, similar to patterns in angiosperms.
Article
Biochemistry & Molecular Biology
Pierre-Francois Perroud, Viktor Demko, Ako Eugene Ako, Rajendra Khanal, Boris Bokor, Andrej Pavlovic, Jan Jasik, Wenche Johansen
Summary: In Physcomitrium patens, GUCT-domain-containing DEAD-BOX RNA helicases PpRH1 and PpRH2 are localized in the nucleus and are involved in cell and tissue development throughout the moss life cycle. These enzymes are important for various RNA metabolic processes and potentially play roles in plant development and stress responses. Specifically, the nuclear GUCT-containing RNA helicases in P. patens are primarily linked to developmental processes related to photosynthesis activity.
PLANT MOLECULAR BIOLOGY
(2021)
Review
Biochemistry & Molecular Biology
Yuki Hata, Junko Kyozuka
Summary: This review compares the molecular mechanisms of stem cell control in the shoot apical meristems of mosses and angiosperms, highlighting the conserved features and evolution of plant stem cells. The findings demonstrate the importance and conservation of hormonal, genetic, and epigenetic factors in stem cell regulation across different plant species, providing insights into the evolutionary trajectory of the shoot apical meristem.
PLANT MOLECULAR BIOLOGY
(2021)
Article
Biology
Zubaida P. Patwary, Min Zhao, Tianfang Wang, Nicholas A. Paul, Scott F. Cummins
Summary: This study investigated the proteins in Asparagopsis taxiformis using different extraction methods and provided a comprehensive overview of expressed proteins in the seaweed. The findings offer insights into the potential functions of these proteins and lay a foundation for future targeted protein extraction and biodiscovery.
Article
Plant Sciences
Yuping Xiong, Yujie Zeng, Junyu Liu, Xiaohong Chen, Yuan Li, Xinhua Zhang, Zhan Bian, Jaime A. Teixeira da Silva, Songjun Zeng, Kunlin Wu, Guohua Ma
Summary: This study assessed in vitro spore germination, gametophyte development and sporophyte regeneration in Alsophila spinulosa, and established efficient protocols for gametophyte proliferation, callus induction and regeneration. The effects of several plant growth regulators (PGRs) and their concentrations on gametophyte development and sporophyte formation were also investigated.
JOURNAL OF PLANT GROWTH REGULATION
(2023)
Article
Plant Sciences
Pengfei Hao, Baogang Lin, Yun Ren, Hao Hu, Bowen Xue, Lan Huang, Shuijin Hua
Summary: This study investigated the effects of different nitrogen application rates on the development stages of floral meristem differentiation. It was found that a high nitrogen rate can accelerate the initiation of floral meristem differentiation, with auxin playing an important regulatory role in this process.
FRONTIERS IN PLANT SCIENCE
(2022)
Article
Agronomy
Josh Strable
Summary: The high productivity of maize is largely driven by denser planting practices, higher yield potential per land area, and increased yield potential per plant. The structure of the shoot is critical to maize grain yield and biomass. Plant architecture is ultimately determined by meristem activity, developmental patterning, and growth.
MOLECULAR BREEDING
(2021)