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805 results for “nodulation”
Data from: Nitrogen fertilization differentially enhances nodulation and host growth of two invasive legume species in an urban environment
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Data from: Symbioses with nitrogen-fixing bacteria: nodulation and phylogenetic data across legume genera
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Data from: High-resolution crossover maps for each bivalent of Zea mays using recombination nodules
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Ecological patterns of root nodule diversity in cultivated and wild rooibos populations: a community prediction approach
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FIGURE 11. Portaratrum birdi n in Two new species of paratanaoid tanaidaceans of the family incertae sedis (Crustacea: Peracarida) from polymetallic nodule fields in the eastern Clarion-Clipperton Fracture Zone
FIGURE 11. Portaratrum birdi n. sp. Holotype female. (A) pleonite-5 ventral spur; (B) left mandible; (C) labium spiniform setae; (D) chela inner margin with two simple setae and four rows of microtrichia; (E) pereopod-1 propodus microtrichia; (F) pereopod-1 unguis tip; (G) pereopod-4 dactylus spinulation. Scale bars: 50 µm.
FIGURE 6. Portaratrum birdi n in Two new species of paratanaoid tanaidaceans of the family incertae sedis (Crustacea: Peracarida) from polymetallic nodule fields in the eastern Clarion-Clipperton Fracture Zone
FIGURE 6. Portaratrum birdi n. sp. OMS exploratory area, Clarion-Clipperton Fracture Zone. (A, C–F) Holotype female (ZRC 2020.0162) and (B) paratype female (ZRC 2020.0163): habitus, (A) dorsal and (B) lateral views; (C) pleonite-5, pleotelson and uropod, lateral; (D) ventral spur on pleonite-5; (E) antennule; (F) antenna. Scale bars: 1 mm for (A, B); 100 µm for (C–F).
FIGURE 3. Unispinosus eopacificus n. gen., n in Two new species of paratanaoid tanaidaceans of the family incertae sedis (Crustacea: Peracarida) from polymetallic nodule fields in the eastern Clarion-Clipperton Fracture Zone
FIGURE 3. Unispinosus eopacificus n. gen., n. sp. Left chelipeds of (A) holotype female and (B) allotype male. Scale bar: 100 µm.
FIGURE 1. Unispinosus eopacificus n. gen., n in Two new species of paratanaoid tanaidaceans of the family incertae sedis (Crustacea: Peracarida) from polymetallic nodule fields in the eastern Clarion-Clipperton Fracture Zone
FIGURE 1. Unispinosus eopacificus n. gen., n. sp. OMS exploratory area, Clarion-Clipperton Fracture Zone. Non-ovigerous female holotype (ZRC 2020.0155): (A) habitus, lateral view. Male allotype (ZRC 2020.0156): habitus, (B) lateral and (C) dorsal views. Scale bar: 0.5 mm.
FIGURE 7. Portaratrum birdi n in Two new species of paratanaoid tanaidaceans of the family incertae sedis (Crustacea: Peracarida) from polymetallic nodule fields in the eastern Clarion-Clipperton Fracture Zone
FIGURE 7. Portaratrum birdi n. sp. Holotype female. Labrum, (A) dorsal and (A`) lateral views; (B) left and (B`) right mandibles; (C) labium; (D) maxillule; (E) maxilla; (F) maxillipeds. Scale bar: 100 µm.
FIGURE 8. Portaratrum birdi n in Two new species of paratanaoid tanaidaceans of the family incertae sedis (Crustacea: Peracarida) from polymetallic nodule fields in the eastern Clarion-Clipperton Fracture Zone
FIGURE 8. Portaratrum birdi n. sp. Holotype female. (A) Left cheliped, with setae and microtrichia on inner margin (denoted by asterisks *); (B–G) pereopods 1–6. Scale bars: 100 µm.
Data from: Autopolyploidy alters nodule-level interactions in the legume-rhizobium mutualism
Premise of the study: Polyploidy is a major genetic driver of ecological and evolutionary processes in plants, yet its effects on plant interactions with mutualistic microbes remain unresolved. The legume-rhizobium symbiosis regulates global nutrient cycles and plays a role in the diversification of legume taxa. In this mutualism, rhizobia bacteria fix nitrogen in exchange for carbon provided by legume hosts. This exchange occurs inside root nodules, which house bacterial cells and represent the interface of legume-rhizobial interactions. Although polyploidy may directly impact the legume-rhizobium mutualism, no studies have explored how it alters the internal structure of nodules. Methods: We created synthetic autotetraploids using Medicago sativa subsp. caerulea. Neotetraploid plants and their diploid progenitors were singly inoculated with two strains of rhizobia, Sinorhizobium meliloti and S. medicae. Confocal microscopy was used to quantify internal traits of nodules produced by diploid and neotetraploid plants. Key Results: Autotetraploid plants produced larger nodules with larger nitrogen fixation zones than diploids across both strains of rhizobia, although significance of this difference was limited by power. Neotetraploid M. sativa subsp. caerulea plants also produced symbiosomes that were significantly larger, nearly twice the size, than those present in diploids. Conclusions: This study sheds light on how polyploidy directly affects a plant-bacterial mutualism and uncovers novel mechanisms. Changes in plant-microbe interactions that directly result from polyploidy likely contribute to the increased ability of polyploid legumes to establish in diverse environments.
A novel clinical model for predicting malignancy of solitary pulmonary nodules: A multicenter study in Chinese population
<p><strong>Supplementary Data</strong></p> <p> </p> <p>Supplement Figure 1: The calibration curves for the novel model in training cohort (A), internal validation cohort (B) and external validation cohort (C), respectively.</p> <p> </p> <p>Supplement Table 1. Demographics and clinical characteristics of patients from Sun Yat-sen University Cancer Center.</p> <p> </p> <p>Supplement Table 2. Demographics and clinical characteristics of patients from Henan Tumor Hospital.</p> <p> </p> <p>Supplement Table 3. Comparison of the sensitivity, specificity, positive likelihood ratio, negative likelihood ratio of the three models analyzed in this study</p> <p> </p> <p>Supplement Table 4. The correlation between our model, PKUPH model and Mayo model</p>
Novel digital assessment technique used to describe peanut nodulation life history
<p>Biological nitrogen fixation (BNF) in legume root nodules is an important source of N globally. Typically, the quantification of BNF is an estimate of N fixation through techniques such as an acetylene reduction assay or isotopic signatures. However, these methods have large logistical limitations, and do not allow for assessments of the nodule morphology or the nodulation process itself, knowledge that is important to fully understand the BNF process. To provide an updated method of nodulation assessments, peanut (<i>Arachis hypogaea </i>L.) nodules were sampled from a two-year field trial and quantified using scanned images of excised nodules, allowing digital assessment of nodule number and size. Further, a digital color analysis method was developed to assess internal nodule color (a known proxy for nodule BNF activity and senescence). To apply and validate the new method, peanut <span>nodulation</span> trait data was used for an exploration of the relationship between nodulation traits, plant physiological processes, and nitrogen status in the plant, followed by a nodulation life history analysis. The nodulation assessment method was validated by strong correlation with measures of peanut tissue N, biomass, photosynthetic function, and yield. Nodulation life history data suggest novel findings regarding differences in the development of nodules between taproots and lateral roots, contrary to the previous understanding of peanut nodulation life history. This new nodulation assessment method can provide further insight into the BNF process by allowing the collection of detailed data in a relatively simplified manner in field conditions. This dataset represents the nodulation and other variable data collected for this study.</p>
FIGURE 10 in Description and distribution of Erebussau nom. nov. pro Erebus Bussau, 1993 nec Erebus Latreille, 1810 with description of a new specie, and of Odetenema gesarae gen. nov., sp. nov. (Nematoda: Desmoscolecida) from nodule-bearing abyssal sediments in the Pacific
FIGURE 10: Odetenema gesarae gen. nov., sp. nov. (Photos of holotype male and paratype female) A: male habitus; B: female habitus, arrows pointing towards anterior and posterior ovaries; C: male anterior end; D: female anterior end, arrows pointing at pigment spots; E: male posterior end, arrow pointing towards pre cloacal supplement; G: female reproductive system, arrow pointing at vulva. (Scale bars A, B = 100 µm; C, D = 20 µm; E, F = 50 µm)
FIGURE 9 in Description and distribution of Erebussau nom. nov. pro Erebus Bussau, 1993 nec Erebus Latreille, 1810 with description of a new specie, and of Odetenema gesarae gen. nov., sp. nov. (Nematoda: Desmoscolecida) from nodule-bearing abyssal sediments in the Pacific
FIGURE 9: Odetenema gesarae gen. nov., sp. nov. (Drawings of holotype male and paratype female) A: male habitus, arrows pointing towards anterior and posterior testes; B: anterior end, arrow pointing towards pigment spot; C: posterior end, arrows pointing towards pre cloacal supplements; D: male posterior end, arrows pointing towards ejaculatory gland, phasmata and glands outlet; E: female reproductive system, arrow pointing towards vulva (Scale bars = 20 µm)
FIGURE 7 in Description and distribution of Erebussau nom. nov. pro Erebus Bussau, 1993 nec Erebus Latreille, 1810 with description of a new specie, and of Odetenema gesarae gen. nov., sp. nov. (Nematoda: Desmoscolecida) from nodule-bearing abyssal sediments in the Pacific
FIGURE 7: Erebussau profundus sp. nov. (Photos of holotype male and paratype female) A: male habitus; B: male anterior end, arrow pointing towards pigment spots; C: female anterior end, arrow pointing at a pseudocoelomocyte; D: male posterior end, arrows pointing towards pre- and post-cloacal supplements; E: female reproductive system, left arrow pointing towards vulva and right arrows point towards anterior and posterior ovary reflected end; F: phasmata (Scale bars A = 100 µm; E = 50 µm; B, C, D, F = 20 µm)
FIGURE 8 in Description and distribution of Erebussau nom. nov. pro Erebus Bussau, 1993 nec Erebus Latreille, 1810 with description of a new specie, and of Odetenema gesarae gen. nov., sp. nov. (Nematoda: Desmoscolecida) from nodule-bearing abyssal sediments in the Pacific
FIGURE 8: Distribution of Odetenema gesarae gen. nov., sp. nov. Imagery reproduced from the GEBCO Grid, version 1.3.0, ETOPO1 Global Relief Model (Amante & Eakins, 2009)
FIGURE 3 in Description and distribution of Erebussau nom. nov. pro Erebus Bussau, 1993 nec Erebus Latreille, 1810 with description of a new specie, and of Odetenema gesarae gen. nov., sp. nov. (Nematoda: Desmoscolecida) from nodule-bearing abyssal sediments in the Pacific
FIGURE 3: Erebussau tenebricosus nom. nov., comb. nov. (Drawings of specimens code: Male 1 and Female 1) A: male habitus, arrow pointing towards phasmata; B: male anterior end, arrows pointing towards pseudocoelomocyte and pigment spot; C: female anterior end, arrows pointing towards pointing towards pseudocoelomocytes; D: female reproductive system; (Scale bars: A, B, C, D = 20 µm)
FIGURE 5 in Description and distribution of Erebussau nom. nov. pro Erebus Bussau, 1993 nec Erebus Latreille, 1810 with description of a new specie, and of Odetenema gesarae gen. nov., sp. nov. (Nematoda: Desmoscolecida) from nodule-bearing abyssal sediments in the Pacific
FIGURE 5: Distribution of Erebussau profundus sp. nov. Imagery reproduced from the GEBCO Grid, version 1.3.0, ETOPO1 Global Relief Model (Amante & Eakins, 2009)
FIGURE 4 in Description and distribution of Erebussau nom. nov. pro Erebus Bussau, 1993 nec Erebus Latreille, 1810 with description of a new specie, and of Odetenema gesarae gen. nov., sp. nov. (Nematoda: Desmoscolecida) from nodule-bearing abyssal sediments in the Pacific
FIGURE 4: Erebussau tenebricosus nom. nov., comb. nov. (Photos of specimens code: Male 1 and Female 1) A: male habitus, arrow pointing towards pigment spots; B: male anterior end, arrow pointing towards pseudocoelomocyte; C: female reproductive system, arrow pointing towards ovary reflected end; D: male posterior end, tail pointing towards apophysis; E: female anterior end; F: female tail showing phasmata; (Scale bars A = 50 µm, B, C, D, E, F = 20 µm)
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Allen Brain Atlas
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Annotated Behaviour and Observability Dataset (ABODe)
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