The reproductive system of the cryptogenic alga Chondria tumulosa (Florideophyceae) at Manawai, Papahānaumokuākea Marine National Monument

TM Williams, SA Krueger-Hadfield, KM Hill-Spanik… - …, 2024 - Taylor & Francis
Determining the relative importance of sexual and asexual reproduction is critical for
determining how genetic diversity is partitioned within and among populations. Macroalgae …

An Individual-Based Model of the Red Alga Agarophyton chilense Unravels the Complex Demography of Its Intertidal Stands

VM Vieira, AH Engelen, OR Huanel… - Frontiers in Ecology and …, 2022 - frontiersin.org
Algal demographic models have been developed mainly to study their life cycle evolution or
optimize their commercial exploitation. Most commonly, structured-aggregated population …

Jasmonates disrupt carrageenan synthesis during carposporogenesis in the red seaweed Grateloupia imbricata

D Del Rosario-Santana, R Robaina… - Frontiers in Marine …, 2023 - frontiersin.org
In this study, we monitored changes in cell wall sulfated galactans in the red seaweed
Grateloupia imbricata after the rapid (48 h) induction of cystocarp maturation and …

Tetrasporophytic bias coupled with heterozygote deficiency in Antarctic Plocamium sp. (Florideophyceae, Rhodophyta)

S Heiser, CD Amsler, S Stoeckel… - Journal of …, 2023 - Wiley Online Library
Meiosis and syngamy generate an alternation between two ploidy stages, but the timing of
these two processes varies widely across taxa, thereby generating life cycle diversity. One …

Differential Frond Growth in the Isomorphic Haploid–diploid Red Seaweed Agarophyton chilense by Long‐term In Situ Monitoring

VM Vieira, AH Engelen, OR Huanel… - Journal of …, 2021 - Wiley Online Library
Conditional differentiation between haploids and diploids has been proposed to drive the
evolutionary stability of isomorphic biphasic life cycles. The cost of producing and …

Contrasting response of Gracilaria chilensis (Gracilariales, Rhodophyta) life cycle stages to epiphyte infection

S Usandizaga, J Beltrán, S Faugeron… - Journal of Applied …, 2023 - Springer
The red seaweed Gracilaria chilensis, a species extensively cultivated in Chile for agar
extraction, was subjected to a bioassay to determine the susceptibility of tetrasporophytes …

Haploid females in the isomorphic biphasic life-cycle of Gracilaria chilensis excel in survival

VM Vieira, AH Engelen, OR Huanel… - BMC Evolutionary …, 2018 - Springer
Background Conditional differentiation is one of the most fundamental drivers of biodiversity.
Competitive entities (usually species) differ in environmental or ecological niche enabling …

Influence of nutrients on ploidy‐specific performance in an invasive, haplodiplontic red macroalga

SA Krueger‐Hadfield, WH Ryan - Journal of Phycology, 2020 - Wiley Online Library
Worldwide, macroalgae have invaded near‐shore marine ecosystems. However, their
haplodiplontic life cycles have complicated efforts to predict patterns of growth and spread …

Adaptation of functional traits in Gracilaria dura with the local environment: implications for resource management and exploitation

VM Vieira, PS Dawange, S Jaiswar… - Frontiers in Marine …, 2024 - frontiersin.org
Seaweed functional traits provide insights on natural populations, their adaptations to the
local environment, which can be utilized for commercial exploitation. Here, we analyzed the …

Ploidy identification by flow cytometry and application of the method to characterize seasonal ploidy variation of wild populations of the red alga Gracilariopsis …

X Feng, H Chen, B Xiao, Q Wu, J Zhang, N Zhang… - Marine …, 2022 - Springer
Gracilariopsis lemaneiformis (Gp. lemaneiformis) is an economically important alga. At
present, there is no way to quickly and easily determine its ploidy and life cycle dynamics in …