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14 results for “Gelidiellaceae”
Figures 9–17 in Gelidiella papillosa sp. nov. (Gelidiellaceae, Rhodophyta) from Veracruz, Mexico, in the context of the worldwide distribution of G. acerosa
Figures 9–17: Gelidiella papillosa sp. nov. (9) UAMIZ-1438. Detail of main axis and branchlets showing darkened tips. Scale bar = 3 mm. (10) UAMIZ-1433. Fresh specimen showing detail of basal region of main axis with papillose bumps (arrows). Inset, enlargement of a bump. Scale bar = 1.5 mm. (11) UAMIZ-1432. Cross section of basal portion of main axis showing a papilla with depressed apex (arrow). Scale bar = 130 µm. (12) UAMIZ-1436. Cross section of basal portion of main axis showing development of papilla without evident apical cell, with blunt apex. Scale bar = 66 μm. (13) UAMIZ-1437. Cross section of main axis showing outer cortical cells (arrowheads), inner cortical cells (blue arrows) and medullary cells (black arrows). Scale bar = 15 µm. (14) UAMIZ-1433. Detail of fertile branch showing swollen stichidia at apices of branchlets (arrows). Scale bar = 1 mm. (15) UAMIZ-1432. Cross section through middle portion of fertile branchlet showing arrangement of tetrasporangia (arrows). Scale bar = 110 µm. (16) UAMIZ-1433. Cross section of fertile branchlet showing immature tetrasporangia arising from inner cortical cells (arrows) and premature development of tetrasporangia (arrowheads). Scale bar = 30 µm. (17) UAMIZ-1432. Cross section through middle portion of fertile branchlet showing mature tetrasporangia. Scale bar = 30 µm.
Figures 3–8 in Gelidiella papillosa sp. nov. (Gelidiellaceae, Rhodophyta) from Veracruz, Mexico, in the context of the worldwide distribution of G. acerosa
Figures 3–8: Gelidiella papillosa sp. nov. (3) Holotype specimen, tetrasporic plant. UAMIZ-1432. Scale bar = 1 cm. (4) UAMIZ-1435. Fresh specimen of tetrasporic plant showing general appearance of the thallus. Scale bar = 5 mm. (5) UAMIZ-1437. Vegetative plant showing branching pattern in erect axes arising from a decumbent stolon. Scale bar = 1 cm. (6) UAMIZ-1437. Cross section through middle part of an erect axis. Scale bar = 130 µm. (7) UAMIZ-1432. Tip of branchlet showing numerous superficial cortical hairs (arrows). Scale bar = 700 µm. (8) UAMIZ-1432. Detail of young branchlet showing apical cell (arrow). Scale bar = 200 µm.
Figure 2 in Gelidiella papillosa sp. nov. (Gelidiellaceae, Rhodophyta) from Veracruz, Mexico, in the context of the worldwide distribution of G. acerosa
Figure 2: Bayesian inference (BI) topology based on rbcL sequence data. BI values (left) followed by maximum likelihood (ML) bootstrap (right) on branches. Asterisks indicate full support (ML = 100 %, BI = 1.0 %), hyphens indicate values below 70 %. Vertical bars on right indicate results of three species delimitation methods: automatic barcoding gap detection (ABGD), the Bayesian variant of Poisson trees processes model (bPTP)and the general-mixed-Yule-coalescent (GMYC). SCI and SCII indicate the two subclades (subclade I and subclade II), G1-G6 indicates the genetic groups within Gelidiella acerosa. Sequences generated in this study are in bold type. S.P.S. = substitutions per site.
Figure 1 in Gelidiella papillosa sp. nov. (Gelidiellaceae, Rhodophyta) from Veracruz, Mexico, in the context of the worldwide distribution of G. acerosa
Figure 1: Bayesian inference (BI) topology based on COI-5P sequence data. BI values (left) followed by maximum likelihood (ML) bootstrap (right) on branches. Asterisks indicate full support (ML = 100 %, BI = 1.0 %), hyphens indicate values below 70 %. Vertical bars on right indicate results of three species delimitation methods: automatic barcoding gap detection (ABGD), the Bayesian variant of Poisson trees processes model (bPTP) and the general-mixed-Yule-coalescent (GMYC). SCI and SCII indicate two subclades (subclade I and subclade II), G1-G6 indicates genetic groups within Gelidiella acerosa. Sequences generated in this study are in bold type. S.P.S. = substitutions per site.
FIGURE 5 in Morphological and molecular studies on Gelidiaceae and Gelidiellaceae (Gelidiales, Rhodophyta) from Brazil with description of the new species Gelidium calidum
FIGURE 5. Habit of the Gelidiaceae species. A–B. Gelidium crinale (A:SP469061, B:SP469067). Scale bar = 1 cm. C. Gelidium floridanum (SP469068). Scale bar = 2 cm. D. Gelidium lineare (SP469091). Scale bar = 1 cm. E. Gelidium microdonticum (SP469070). Scale bar = 0.5 cm.
FIGURE 6. A–D. Gelidium crinale. A in Morphological and molecular studies on Gelidiaceae and Gelidiellaceae (Gelidiales, Rhodophyta) from Brazil with description of the new species Gelidium calidum
FIGURE 6. A–D. Gelidium crinale. A. Detail of the apical portion showing the prominent apical cell (arrow) (SP469067). Scale bar = 25 μm. B. Cross section of the middle region of the main branch, showing abundant rhizines between medulla and inner cortex (SP469061). Scale bar = 20 μm. C. Tetrasporangial branch (SP469061). Scale bar = 250 μm. D. Cross section of the tetrasporangial branch, showing tetrasporangia and presence of sterile margin (SP469061). Scale bar = 100 μm. E–J. Gelidium floridanum (SP469068). E. Detail of the apical portion showing the apical cell (arrow). Scale bar = 25 μm. F. Cross section of the middle region of the main branch showing rhizines in the medullary region. Scale bar = 20 μm. G. Tetrasporangial branch. Scale bar = 250 μm. H. Cross section of the tetrasporangial branch, showing sterile margin. Scale bar = 100 μm. I. Female gametophyte branches with cystocarps. Scale bar = 2 mm. J. Cross section of bilocular cystocarp showing carposporangia produced in both sides. Scale bar = 100 μm.
FIGURE 2 in Morphological and molecular studies on Gelidiaceae and Gelidiellaceae (Gelidiales, Rhodophyta) from Brazil with description of the new species Gelidium calidum
FIGURE 2. Bayesian inference (BI) phylogenetic tree from the concatenated datasets (rbcL, cox1) of the Gelidiellaceae and Gelidiaceae. A posterior probability values (higher than 0.8) and Maximum Likelihood (ML) Bootstrap values for 1000 replicates (higher than 50) are marked on the branches. Sequences of Brazilian specimens are in bold. Sequences with '*' were genereted in this study. GenBank accession numbers are in brackets followed by the collection site.
FIGURE 1. cox1 in Morphological and molecular studies on Gelidiaceae and Gelidiellaceae (Gelidiales, Rhodophyta) from Brazil with description of the new species Gelidium calidum
FIGURE 1. cox1 Neighbor-Joining tree representing specimens of Gelidiales from Brazil. Bootstrap values for 2000 replicates are represented on the branches (only when higher than 60). Sequences of Brazilian specimens are in bold. Sequences with '*' were genereted in this study. GenBank accession numbers are in brackets followed by the collection site.
FIGURE 9 in Morphological and molecular studies on Gelidiaceae and Gelidiellaceae (Gelidiales, Rhodophyta) from Brazil with description of the new species Gelidium calidum
FIGURE 9. Gelidium calidum Jamas, Iha, M.T. Fujii sp. nov. (SP469074) A. Detail of the apical portion of the branch showing prominent apical cell (arrow). Scale bar = 25 μm. B. Cross section in the middle region of the vegetative branch. Scale bar = 50 μm. C. Stoloniferous branch with brush-like holdfast. Scale bar = 250 μm. D. Cross section of stoloniferous branch showing disorganized rhizoidal filaments produced by the internal cortical cells. Scale bar = 25 μm. E. Detail of the tetrasporangial branch. Scale bar = 250 μm. F. Cross section of tetrasporangial branch showing absence of sterile margin. Scale bar = 100 μm. G. Detail of female gametophyte branch with cystocarp. Scale bar = 250 μm. H. Cross section of the mature cystocarp with carposporangia produced in both sides of locule. Scale bar = 25 μm.
FIGURE 8. A–C in Morphological and molecular studies on Gelidiaceae and Gelidiellaceae (Gelidiales, Rhodophyta) from Brazil with description of the new species Gelidium calidum
FIGURE 8. A–C. Variation in gross morphology for Gelidium calidum Jamas, Iha, M.T. Fujii sp. nov. in Brazil. Scale bar = 1 cm. A–B. Abundantly branched (SP469073, SP469072). C. Slightly branched (SP469074).
FIGURE 7. A–F. Gelidium lineare. A in Morphological and molecular studies on Gelidiaceae and Gelidiellaceae (Gelidiales, Rhodophyta) from Brazil with description of the new species Gelidium calidum
FIGURE 7. A–F. Gelidium lineare. A. Detail of the apical portion showing the apical cell between two lobes (SP469087). Scale bar = 25 μm. B. Cross section of the middle region of the the main branch (SP469087). Scale bar = 100 μm. C. Detail of tetrasporangial branch (SP469091). Scale bar = 250 μm. D. Cross section of tetrasporangial branch, showing cruciately divided tetrasporangia (SP469091). Scale bar = 100 μm. E. Detail of male gametophyte branches, which may have more than one sorus per branch (SP469087). Scale bar = 500 μm. F. Cross section of male gametophyte branch, showing spermatia originated by transverse divisions (arrow) of elongated outer cortical cells (SP469087). Scale bar = 20 μm. G–K. Gelidium microdonticum (SP469070). G. Detail of the apical portion showing the apical cell between two lobes. Scale bar = 100 μm. H. Cross section of the middle region of the the main branch. Scale bar = 100 μm. I. Detail of the thallus, showing abundant rhizines in the medullary region. Scale bar = 250 μm. J. Tetrasporangial branch. Scale bar = 100 μm. K. Cross section of tetrasporangial branch, showing cruciately divided tetrasporangia. Scale bar = 100 μm.
FIGURE 10 in Morphological and molecular studies on Gelidiaceae and Gelidiellaceae (Gelidiales, Rhodophyta) from Brazil with description of the new species Gelidium calidum
FIGURE 10. Map of the geographical distribution of Gelidiellaceae and Gelidiaceae in Brazil. In bold are species confirmed in this work and by Iha et al. (2015) by morphology and molecular tools. Map was drawn from the cartographic database of the Instituto Brasileiro de Geografia e Estatística (IBGE).
FIGURE 4. A–E. Gelidiella acerosa. A in Morphological and molecular studies on Gelidiaceae and Gelidiellaceae (Gelidiales, Rhodophyta) from Brazil with description of the new species Gelidium calidum
FIGURE 4. A–E. Gelidiella acerosa. A. Detail of the apical portion showing the prominent apical cell (arrow) (SP469045). Scale bar = 25 μm. B. Cross section of the middle region of the main branch (SP469045). Scale bar = 100 μm. C. Detail of main branch showing the transition from the cortex to the medulla (SP469045). Scale bar = 25 μm. D. Detail of the tetrasporangial branch with tetrasporangia (SP469046). Scale bar = 100 μm. E. Cross section of the tetrasporangial branch, showing tetrasporangia cruciately divided, with no sterile margin (SP469046). Scale bar = 100 μm. F–J. Gelidiella flabella (SP469052). F. Apical cell slightly different from the surrounding cells (arrow). Scale bar = 25 μm. G. Cross section of the middle region of the main branch. Scale bar = 250 μm. H. Detail of the cross section of the thallus showing the transition from cortex to medulla. Scale bar = 25 μm. I. Holdfast originated as independent rizoidal filaments. Scale bar = 100 μm. J. Cross section of the stoloniferous branch showing the origin of rhizoidal filaments from the outer cortical cell (arrow). Scale bar = 25 μm. K–N. Millerella myrioclada (SP469055). K. Detail of the acute apex with prominent apical cell. Scale bar = 25 μm. L. Cross section of the middle region of the main branch, showing row of medullary cells (arrow). Scale bar = 25 μm. M.Prostrate system. Scale bar = 250 μm. N. Tetrasporangial branch. Scale bar = 100 μm.
FIGURE 3 in Morphological and molecular studies on Gelidiaceae and Gelidiellaceae (Gelidiales, Rhodophyta) from Brazil with description of the new species Gelidium calidum
FIGURE 3. Habit of the Gelidiellaceae species. A. Gelidiella acerosa (SP469049). Scale bar = 1 cm. B. Gelidiella flabella (SP469052). Scale bar = 1 cm. C. Millerella myrioclada (SP469057). Scale bar = 1 cm. D. Millerella myrioclada (SP469057). Scale bar = 0.5 cm.
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