Phylogenomic evolutionary insights in the fern family Gleicheniaceae

Lima, Lucas Vieira; Salino, Alexandre; Kessler, Michael; Rouhan, Germinal; Testo, Weston; Argolo, Caio Suzart; Consortium, GoFlag; Almeida, Thaís Elias

doi:10.1016/j.ympev.2023.107782

Cited by 6 publications

(8 citation statements)

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“…The XRF scanning results show that 147 specimens of B. orientalis and 56 specimens of D. linearis accumulate Y in their leaves up to concentrations of 1424 and 697 µg g −1 , respectively. The fern D. linearis is widely documented for its REE (hyper)accumulation capabilities in China, but is in fact polyphyletic, representing a species complex of cryptic species ( Wei et al , 2022 ; Vieira Lima et al , 2023 ). This study reveals that some specimens of D. linearis accumulating >1000 µg g −1 REEs in their fronds are from Indonesia and the Philippines, but these populations may well represent distinct species within the D. linearis complex.…”

Section: Discussionmentioning

confidence: 99%

Prospecting for rare earth element (hyper)accumulators in the Paris Herbarium using X-ray fluorescence spectroscopy reveals new distributional and taxon discoveries

Goudard,

Blaudez,

Sirguey

et al. 2024

Annals of Botany

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Context Rare earth elements (REEs) are increasingly crucial for modern technologies. Plants could be used as a biogeochemical pathfinder and a tool to extract REEs from deposits. However, a paucity of information on suitable plants for these tasks exists. Methods We aimed to discover new REE (hyper)accumulating plant species by performing an X-ray fluorescence (XRF) survey at the Herbarium of the Muséum national d'Histoire naturelle (MNHN, Paris, France). We selected specific families based on the likelihood of containing REE-hyperaccumulating species, based on known taxa that accumulate REEs. A total of 4425 specimens, taken in the two main evolutionary lineages of extant vascular plants, were analysed, of which the two fern families Blechnaceae (n 561) and Gleicheniaceae (n 1310), and the two flowering plants Phytolaccaceae (n 1137) and Juglandaceae (n 1417). Key results Yttrium (Y) was used as a proxy for REEs for methodological reasons, and a total of 268 specimens belonging to the genera Blechnopsis (n 149), Dicranopteris (n 75), Gleichenella (n 32), Phytolacca (n 6), Carya (n 4), Juglans (n 1), and Sticherus (n 1) were identified with Y concentrations ranging from the limit of detection (LOD) >49 µg g-1 up to 1424 µg g-1. Subsequently, analysis of fragments of selected specimens by inductively coupled plasma atomic emission spectroscopy (ICP-AES) revealed that this translated to up to 6423 µg total REEs g-1 in Dicranopteris linearis and up to 4278 µg total REEs g-1 in Blechnopsis orientalis which are among the highest values ever recorded for REE hyperaccumulation in plants. It also proved the validity of Y as an indicator for REEs in XRF analysis of herbarium specimens. The presence of manganese (Mn) and zinc (Zn) was also studied with the XRF in the selected specimens. Mn was detected in 1440 specimens ranging from the detection limit at 116 µg g-1 up to 3807 µg g-1 whilst Zn was detected in 345 specimens ranging from the detection limit 77 µg g-1 up to 938 µg g-1. Conclusions & Implications This study led to the discovery of REE accumulation in a range of plant species, substantially higher concentrations in species known to be REE hyperaccumulators, and records of REE hyperaccumulators outside of the well-studied populations in China.

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Section: Discussionmentioning

confidence: 99%

Prospecting for rare earth element (hyper)accumulators in the Paris Herbarium using X-ray fluorescence spectroscopy reveals new distributional and taxon discoveries

Goudard,

Blaudez,

Sirguey

et al. 2024

Annals of Botany

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“…He et al from the Asselian of North China (He et al 2016(He et al , 2021. Chansitheca wudaensis is attributed to the crown group Gleicheniales (Lima et al 2023) or the stem group Gleicheniales (e.g. FTOL working group 2022) but, unfortunately, the ultrastructure of its in situ spores is unknown.…”

Section: Comparison With Fossil Gleichenioid Sporesmentioning

confidence: 99%

Section: Phylogenetic Implicationsmentioning

confidence: 99%

“…Molecular phylogenetic studies estimate that the Gleicheniales diverged in the early Permian (Schneider et al 2004;Schuettpelz & Pryer 2009;Nitta et al 2022;Lima et al 2023). This minimum divergence age is supported only by a few fossils that are assigned to the Gleicheniaceae based on several anatomical features (Nagalingum & Cantrill 2006;Taylor et al 2009;Galtier & Phillips 2014;Perrie & Brownsey 2015;Lima et al 2023). In contrast, early Permian fossils such as Szea sinensis, Chansitheca wudaensis and Oligocarpia kepingensis are placed in the Gleicheniaceae based on their fertile organs, while their anatomies are often uncertain (except C. wudaensis) or differ from those of gleicheniaceous ferns.…”

Section: Phylogenetic Implicationsmentioning

confidence: 99%

“…The peculiarities of R. dobranyana could reflect an early trial in assembly of the gleichenioid 'template' (sensu Bateman & Hilton 2009), which began with the ultrastructure of the spore wall during the Carboniferous. In this model, autapomorphic character states (unique characters of a clade) were assembled step by step during the evolution of the Gleicheniales, a process that ended in the Mesozoic, when the crown members (family level) of the gleichenioid clade began to diversify (Rothwell & Stockey 2008Lima et al 2023).…”

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Maiaspora: the hallmark of gleichenioid ferns (Gleicheniales) from the early Carboniferous

Mamontov,

McLean,

Gavrilova

2024

Papers in Palaeontology

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The Palaeozoic origin of gleichenioid ferns (Gleicheniales) has aroused curiosity for almost a century. The oldest definite sign of this ancient clade is the spore wall ultrastructure of Radiitheca dobranyana from the Moscovian of central Europe. However, familial assignment of this fern fossil is uncertain. A comparison of its in situ spores with those of the dispersed genus Maiaspora, from the Visean, suggests that they may represent the same group of leptosporangiates. Although these spores have a common metareticuloid sculpture, the ultra‐thin structure of the dispersed counterparts remained unknown. Study of the ultrastructure of Maiaspora concava and M. panopta from central Russia and Northumberland (UK) using transmission electron microscopy shows that the wall of Maiaspora has a middle exospore layer composed of foliated lamellae. These spread from the base of the aperture slit to the subequatorial margins of kyrtome areas. The lamellae do not overlap the aperture slit and terminate at between two‐thirds and three‐quarters of the slit height. The miospores have a three‐layered exospore in the interradial areas, while non‐apertural parts of the exospore consist of two layers. Such an ultrastructure is shared by extant Gleicheniales and fossil R. dobranyana. The combined evidence from the morphology, ultrastructure and spatiotemporal distribution of Maiaspora, as well as radioisotope dating and additional plant macrofossils, suggests that the origin of the Gleicheniales stem was related to closure of the Rheic Ocean. Apparently, the first Maiaspora‐producing gleichenioids emerged as neoendemic terrestrial ferns on the peri‐Gondwanan volcanic arcs.

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Importance of habit and environmental characteristics in shaping patterns of richness and range size of ferns and lycophytes in the Atlantic Forest

Bohn,

Capellesso,

Labiak

et al. 2024

American J of Botany

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PremiseFerns and lycophytes, the two spore‐bearing lineages of vascular plants, share a unique life cycle, and because of several morpho‐ecophysiological similarities, are usually investigated as a unit, but they may have distinct ecological and environmental responses. Understanding the diversity and distribution patterns of ferns and lycophytes separately is essential for designing effective conservation strategies.MethodsWe assessed species richness and range sizes using range–diversity analyses and investigated environmental (climatic, edaphic) and ecological (endemism, habit diversity, specialization) predictors of these range and richness metrics using generalized linear models.ResultsThe central region of the Atlantic Forest primarily contained areas with fern and lycophyte species with high richness and small ranges; the northern and southern extremes of the forest had species with low richness and larger ranges. Fern richness was associated with a combination of environmental and ecological variables; lycophyte richness was associated only with ecological variables. Range sizes were positively related to habit diversity for both ferns and lycophytes, but the effect of environmental variables differed between the two lineages. Critical areas were primarily not within protected areas.ConclusionsFern range sizes and richness were influenced by a combination of ecological and environmental factors such as temperature, precipitation, and soil variables; only ecological variables influenced lycophyte richness and range sizes. The effects of these factors must be considered separately for the two lineages due to their different responses to stressors. Conservation efforts should increase in the species‐rich–low‐range areas that are outside protected areas to protect these low‐range species.

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Phylogenomic evolutionary insights in the fern family Gleicheniaceae

Cited by 6 publications

References 54 publications

Prospecting for rare earth element (hyper)accumulators in the Paris Herbarium using X-ray fluorescence spectroscopy reveals new distributional and taxon discoveries

Prospecting for rare earth element (hyper)accumulators in the Paris Herbarium using X-ray fluorescence spectroscopy reveals new distributional and taxon discoveries

Maiaspora: the hallmark of gleichenioid ferns (Gleicheniales) from the early Carboniferous

Importance of habit and environmental characteristics in shaping patterns of richness and range size of ferns and lycophytes in the Atlantic Forest

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