A worldwide phylogeny of <i>Adiantum</i> (Pteridaceae) reveals remarkable convergent evolution in leaf blade architecture

Huiet, Layne; Li, Fay‐Wei; Kao, Tzu-Tong; Prado, Jefferson; Smith, Alan Р.; Schuettpelz, Eric; Pryer, Kathleen M.

doi:10.12705/673.3

Cited by 26 publications

(21 citation statements)

References 42 publications

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“…C.A.Paris , A. shastense Huiet & A.R.Smith, and A . capillus‐veneris L. (Huiet et al, 2018; Regalado et al, 2018). The first two species are only known as diploids, and although A .…”

Section: Figurementioning

confidence: 99%

“…We directly compared genomic DNA and transcriptome sequences to determine the number of RNA-editing sites across the complete plastomes of three distantly related species within Adiantum: A. aleucitum (Rupr.) C.A.Paris, A. shastense Huiet & A.R.Smith, and A. capillus-veneris L. (Huiet et al, 2018;Regalado et al, 2018). The first two species are only known as diploids, and although A. capillus-veneris is both diploid (Old World) and tetraploid (New World), the voucher used by Wolf et al (2004) is from Japan and also presumed to be diploid.…”

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confidence: 99%

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Variation in frequency of plastid RNA editing within Adiantum implies rapid evolution in fern plastomes

Fauskee

Sigel

Pryer

et al. 2021

American J of Botany

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Recent studies of plant RNA editing have demonstrated that the number of editing sites can vary widely among large taxonomic groups (orders, families). Yet, very little is known about intrageneric variation in frequency of plant RNA editing, and no study has been conducted in ferns. METHODS:We determined plastid RNA-editing counts for two species of Adiantum (Pteridaceae), A. shastense and A. aleuticum, by implementing a pipeline that integrated read-mapping and SNP-calling software to identify RNA-editing sites. We then compared the edits found in A. aleuticum and A. shastense with previously published edits from A. capillus-veneris by generating alignments for each plastid gene. RESULTS:We found direct evidence for 505 plastid RNA-editing sites in A. aleuticum and 509 in A. shastense, compared with 350 sites in A. capillus-veneris. We observed striking variation in the number and location of the RNA-editing sites among the three species, with reverse (U-to-C) editing sites showing a higher degree of conservation than forward (C-to-U) sites. Additionally, sites involving start and stop codons were highly conserved.CONCLUSIONS: Variation in the frequency of RNA editing within Adiantum implies that RNAediting sites can be rapidly gained or lost throughout evolution. However, varying degrees of conservation between both C-to-U and U-to-C sites and sites in start or stop codons, versus other codons, hints at the likely independent origin of both types of edits and a potential selective advantage conferred by RNA editing.

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“…C.A.Paris , A. shastense Huiet & A.R.Smith, and A . capillus‐veneris L. (Huiet et al, 2018; Regalado et al, 2018). The first two species are only known as diploids, and although A .…”

Section: Figurementioning

confidence: 99%

mentioning

confidence: 99%

Variation in frequency of plastid RNA editing within Adiantum implies rapid evolution in fern plastomes

Fauskee

Sigel

Pryer

et al. 2021

American J of Botany

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“…Pteridophytes have evolved various morpho-anatomical features to adapt to terrestrial, xeric, epiphytic, rupicolous and aquatic environments ( Wylie, 1949 ; Zhang et al, 2013 ; Neira et al, 2017 ; Sârbu et al, 2017 ; Wetzel et al, 2017 ); this group is thus taxonomically, evolutionarily, and phylogenically diverse ( Kato & Imaichi, 1997 ; Li et al, 2013 ; Vasco, Moran & Ambrose, 2013 ; Plackett, Di Stilio & Langdale, 2015 ; Harrison & Morris, 2017 ; Huiet et al, 2018 ). Pteridophyte rhizomes have species-or group-specific stele, including the dictyostele of the Monachosorideae and the Polypodiaceae ( Jeffreys, 1903 ; Wardlaw, 1944 ; Wu et al, 1992 ; Srivastava & Chandra, 2009 ; Deroin & Rakotondrainibe, 2015 ; Nopun et al, 2016 ; Becari-Viana & Schwartsburd, 2017 ).…”

Section: Introductionmentioning

confidence: 99%

“…Phylogenetic and ontogenetic relationships within Adiantum have historically been based on anatomical characteristics, particularly the presence of dictyostele in the leaves ( Wylie, 1949 ; Imaichi, 1988 ; Huiet et al, 2018 ). However, recent molecular genetic analyses have suggested that A. reniforme var.…”

Section: Introductionmentioning

confidence: 99%

Morphological and anatomical adaptations to dry, shady environments in Adiantum reniforme var. sinense (Pteridaceae)

et al. 2020

PeerJ

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The natural distribution of the rare perennial fern Adiantum reniforme var. sinense (Pteridaceae), which is endemic to shady cliff environments, is limited to small areas of Wanzhou County, Chongqing, China. In this study, we used brightfield and epifluorescence microscopy to investigate the anatomical structures and histochemical features that may allow this species to thrive in shady, dry cliff environments. The A. reniforme var. sinense sporophyte had a primary structure and a dictyostele. The plants of this species had an endodermis, sclerenchyma layers and hypodermal sterome, reflecting an adaption to dry cliff environments. Blades had a thin cuticle and isolateral mesophyll, suggesting a tolerance of shady environments. These characteristics are similar to many sciophyte ferns such as Lygodium japonicum and Pteris multifida. Thus, the morphological and anatomical characteristics of A. reniforme var. sinense identified in this study are consistent with adaptations to shady, dry cliff environments.

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“…One popular genus of ferns is Adiantum. The species belonging to the Adiantum have a distinctive morphological appearance, such as the shape of the leaves which tend to be rounded and the stems are dark and shiny (Huiet et al, 2018). In general, Adiantum grows in a moist and shaded environment (Awathi, 2009).…”

Section: Introductionmentioning

confidence: 99%

Distribution of Ploidy Level on Adiantumdiaphanum Blume at Various Altitudes in Probolinggo

Amelia

Fauzi

2019

Biosfer

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AbstrakPaku-pakuan diindikasikan dapat menjadi organisme poliploid akibat pengaruh ketinggian tempat. Pada penelitian ini, kajian tentang persebaran tingkat ploidy A. Diaphanum Blume Blume atas dasar perbedaan ketinggian tempat dilakukan. Penelitian ini merupakan penelitian survey yang dilakukan di wilayah Kabupaten Probolinggo. Daerah Leces (50 mdpl), Lumbang (460 mdpl), dan Sukapura (820 mdpl) merupakan tiga wilayah pengambilan sampel penelitian yang secara berturut-turut mewakili daerah dataran rendah, sedang, dan tinggi. Penentuan tingkat ploidy dilakukan dengan menghitung jumlah kromosomsel-sel ujung akar. Hasil penelitian menunjukkan bahwa seluruh paku yang ditemukan di wilayah dataran sedang dan rendah merupakan individu diploid, sedangkan Adiantum yang ditemukan di wilayah dataran tinggi merupakan individu triploid. Penelitian ini mengindikasikan bahwa ketinggian tempat dapat meningkatkan level ploidy pada Adiantum.Kata Kunci: Adiantum, altitud, level ploidy, poliploidi AbstractFerns are indicated could become polyploid organism due to altitude effect. In this research, the distribution of ploidy level on AdiantumdiaphanumBlume based on difference altitude was studied. This study was a survey research conducted in Probolinggo Regency which aims studying the effect of altitude on ploidy level in A. diaphanumBlume. Leces (50 masl), Lumbang (460 masl), and Sukapura (820 masl) were the tree research sampling areas that represent low, medium, and highland location, respectively. The determination of ploidy level was conducted by counting the chromosome number of cells root tips. The results showed that all ferns found in the medium and lowland were diploid organisms, whereas all ferns found in the highlands were triploid organism.

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A worldwide phylogeny of Adiantum (Pteridaceae) reveals remarkable convergent evolution in leaf blade architecture

Cited by 26 publications

References 42 publications

Variation in frequency of plastid RNA editing within Adiantum implies rapid evolution in fern plastomes

Variation in frequency of plastid RNA editing within Adiantum implies rapid evolution in fern plastomes

Morphological and anatomical adaptations to dry, shady environments in Adiantum reniforme var. sinense (Pteridaceae)

Distribution of Ploidy Level on Adiantumdiaphanum Blume at Various Altitudes in Probolinggo

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