How was apical growth regulated in the ancestral land plant? Insights from the development of non-seed plants

JP Fouracre, CJ Harrison - Plant Physiology, 2022 - academic.oup.com
Land plant life cycles are separated into distinct haploid gametophyte and diploid
sporophyte stages. Indeterminate apical growth evolved independently in bryophyte (moss …

Positional cues and cell division dynamics drive meristem development and archegonium formation in Ceratopteris gametophytes

Y Geng, A Yan, Y Zhou - Communications Biology, 2022 - nature.com
Fern gametophytes are autotrophic and independent of sporophytes, and they develop
pluripotent meristems that drive prothallus development and sexual reproduction. To reveal …

Apical dominance control by TAR-YUC-mediated auxin biosynthesis is a deep homology of land plants

M Thelander, K Landberg, A Muller, G Cloarec… - Current Biology, 2022 - cell.com
A key aim in biology is to identify which genetic changes contributed to the evolution of form
through time. Apical dominance, the inhibitory effect exerted by shoot apices on the initiation …

A transporter of 1‐aminocyclopropane‐1‐carboxylic acid affects thallus growth and fertility in Marchantia polymorpha

D Li, T Dierschke, S Roden, K Chen… - New …, 2022 - Wiley Online Library
Summary In seed plants, 1‐aminocyclopropane‐1‐carboxylic acid (ACC) is the precursor of
the plant hormone ethylene but also has ethylene‐independent signaling roles. Nonseed …

Circadian and diel regulation of photosynthesis in the bryophyte Marchantia polymorpha

D Cuitun‐Coronado, H Rees, J Colmer… - Plant, Cell & …, 2022 - Wiley Online Library
Circadian rhythms are 24‐h biological cycles that align metabolism, physiology, and
development with daily environmental fluctuations. Photosynthetic processes are governed …

The single Marchantia polymorpha FERONIA homolog reveals an ancestral role in regulating cellular expansion and integrity

MA Mecchia, M Rövekamp, A Giraldo-Fonseca… - …, 2022 - journals.biologists.com
Plant cells are surrounded by a cell wall, a rigid structure that is not only important for cell
and organ shape, but is also crucial for intercellular communication and interactions with the …

Live-imaging provides an atlas of cellular growth dynamics in the stamen

SR Silveira, C Le Gloanec, A Gómez-Felipe… - Plant …, 2022 - academic.oup.com
Abstract Development of multicellular organisms is a complex process involving precise
coordination of growth among individual cells. Understanding organogenesis requires …

Quantitative live-imaging reveals the dynamics of apical cells during gametophyte development in ferns

X Wu, A Yan, X Liu, S Zhang, Y Zhou - Quantitative Plant Biology, 2022 - cambridge.org
Meristems in land plants share conserved functions but develop highly variable structures.
Meristems in seed-free plants, including ferns, usually contain one or a few pyramid-/wedge …

Meristem dormancy in a dichotomous branching system is regulated by a liverwort-specific miRNA and a clade III SPL gene in Marchantia polymorpha

S Streubel, S Deiber, J Rötzer, M Mosiolek… - bioRxiv, 2022 - biorxiv.org
The shape of modular organisms depends on branching architecture, which in plants is
determined by the fates of generative centres called meristems. The branches of the …

An Automated High-Throughput Phenotyping System for Marchantia polymorpha

K Medina-Jimenez, MA Arteaga-Vazquez… - High-Throughput Plant …, 2022 - Springer
High-throughput phenotyping (HTP) allows automation of fast and precise acquisition and
analysis of digital images for the detection of key traits in real time. HTP improves …