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493 results for “Iris”
Nal-IRI With 5-fluorouracil (5-FU) and Leucovorin or Gemcitabine Plus Cisplatin in Advanced Biliary-tract Cancer
ClinicalTrials.gov study NCT03044587. IPD Sharing: NO. Countries: 1. Publications: 2.
Nal-iri/lv5-fu Versus Paclitaxel as Second Line Therapy in Patients With Metastatic Oesophageal Squamous Cell Carcinoma
ClinicalTrials.gov study NCT03719924. IPD Sharing: UNDECIDED. Countries: 1. Publications: 2.
Iris Suture Fixation vs Iris Claw for Correction of Aphakia
ClinicalTrials.gov study NCT06933654. IPD Sharing: Not stated. Countries: 1. Publications: 0.
Nal-IRI(Nanoliposomal Irinotecan) Plus 5-FU/LV in Metastatic Biliary Tract Cancer
ClinicalTrials.gov study NCT03524508. IPD Sharing: NO. Countries: 1. Publications: 25.
2nd-line Therapy With Nal-IRI After Gem/Nab-pac in Advanced Pancreatic Cancer - Predictive Role of 1st-line Therapy
ClinicalTrials.gov study NCT03468335. IPD Sharing: Not stated. Countries: 1. Publications: 2.
Sutureless Technique for Repositioning and Scleral Fixation of the Capsular Bag - Intraocular Lens Complex With Permanent Use of Iris Retractors
ClinicalTrials.gov study NCT07257172. IPD Sharing: NO. Countries: 1. Publications: 0.
Cap+Bev vs Cap+Iri+Bev 1st-line Therapy in mCRC
ClinicalTrials.gov study NCT01249638. IPD Sharing: Not stated. Countries: 1. Publications: 6.
Data: Phenotypic trait differences between Iris pseudacorus in native and introduced ranges support greater capacity of invasive populations to withstand sea level rise
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Data from: The evolution of iris colour in relation to nocturnality in owls
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Data from: Broad-scale genetic patterns of New Zealand abalone, Haliotis iris, across a distribution spanning 13° latitude and major oceanic water masses
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Data from: Feeding the enemy: loss of nectar and nectaries to herbivores reduces tepal damage and increases pollinator attraction in Iris bulleyana
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Data from: Determining population structure and hybridization for two iris species
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Supplementary material 1 from: Wilson CA (2020) Two new species in Iris series Chinenses (Iridaceae) from south-central China. PhytoKeys 161: 41-60. https://doi.org/10.3897/phytokeys.161.55483
Supplementary file for Dryad
Figure 5 from: Wilson CA (2020) Two new species in Iris series Chinenses (Iridaceae) from south-central China. PhytoKeys 161: 41-60. https://doi.org/10.3897/phytokeys.161.55483
Figure 5 Illustration of I. probstii. A Habit B inflorescence C sepal D petal E style branch, anther F fruit (Sources: A–ED. Probst CPC24.7.03.1 (UC); F photograph by M. Schafer and J. Sacks, photographs available from author).
Figure 1 from: Wilson CA (2020) Two new species in Iris series Chinenses (Iridaceae) from south-central China. PhytoKeys 161: 41-60. https://doi.org/10.3897/phytokeys.161.55483
Figure 1 Phylogenetic tree showing resolution of I. dabashanensis and I. probstii (bold) in series Chinenses (grey box). Posterior probability/bootstrap values shown above branches.
Figure 3 from: Wilson CA (2020) Two new species in Iris series Chinenses (Iridaceae) from south-central China. PhytoKeys 161: 41-60. https://doi.org/10.3897/phytokeys.161.55483
Figure 3 Illustration of I. dabashanensis. A Habit B inflorescence C sepal D petal E style branch, anther F fruit G stolon, roots, tubers H root tuber (Source: A–ED. Probst CPC3.5.01.3 (UC); F photograph by Marty Schafer and Jan Sacks; G, H photograph by D. Probst, photographs available from author).
Figure 2 from: Wilson CA (2020) Two new species in Iris series Chinenses (Iridaceae) from south-central China. PhytoKeys 161: 41-60. https://doi.org/10.3897/phytokeys.161.55483
Figure 2 Images A–CI. dabashanensisD–FI probstii. A Habit B inflorescence C flower D habit E inflorescence F flower (Photos B–F C. author; A Mark McDonough).
Data from: The genetic architecture of floral traits in Iris hexagona and Iris fulva
The formation of hybrids among closely related species has been observed in numerous plant taxa. Selection by pollinators on floral traits can act as an early reproductive isolating barrier and may be especially important when there is overlap in distribution and flowering time. In this study, we use Quantitative Trait Locus (QTL) mapping based on 293 codominant SNP markers in an F2 population (n = 328) to assess the size, magnitude, and location of the genetic regions controlling floral traits known to be important for pollinator attraction in 2 species of Lousiana Irises, Iris fulva and Iris hexagona. We also evaluate correlations among F2 traits and identify transgression in the hybrid population. Overall, we observe that differences in most floral traits between I. fulva and I. hexagona are controlled by multiple QTLs and are distributed across several linkage groups. We also find evidence of transgression at several QTL, suggesting that hybridization can contribute to generating phenotypic variation, which may be adaptive in rapidly changing environments.
Data from: Analysis of iris surface features in populations of diverse ancestry
There are many textural elements that can be found in the human eye, including Fuchs' crypts, Wolfflin nodules, pigment spots, contraction furrows and conjunctival melanosis. Although iris surface features have been well-studied in populations of European ancestry, the worldwide distribution of these traits is poorly understood. In this paper, we develop a new method of characterizing iris features from photographs of the iris. We then apply this method to a diverse sample of East Asian, European and South Asian ancestry. All five iris features showed significant differences in frequency between the three populations, indicating that iris features are largely population dependent. Although none of the features were correlated with each other in the East and South Asian groups, Fuchs' crypts were significantly correlated with contraction furrows and pigment spots and contraction furrows were significantly associated with pigment spots in the European group. The genetic marker SEMA3A rs10235789 was significantly associated with Fuchs' crypt grade in the European, East Asian and South Asian samples and a borderline association between TRAF3IP1 rs3739070 and contraction furrow grade was found in the European sample. The study of iris surface features in diverse populations may provide valuable information of forensic, biomedical and ophthalmological interest.
Data from: Controlled iris radiance in a diurnal fish looking at prey
Active sensing using light, or active photolocation, is only known from deep sea and nocturnal fish with chemiluminescent "search" lights. Bright irides in diurnal fish species have recently been proposed as a potential analogue. Here, we contribute to this discussion by testing whether iris radiance is actively modulated. The focus is on behaviourally controlled iris reflections, called "ocular sparks". The triplefin Tripterygion delaisi can alternate between red and blue ocular sparks, allowing us to test the prediction that spark frequency and hue depend on background hue and prey presence. In a first experiment, we found that blue ocular sparks were significantly more often "on" against red backgrounds, and red ocular sparks against blue backgrounds, particularly when copepods were present. A second experiment tested whether hungry fish showed more ocular sparks, which was not the case. Again, background hue resulted in differential use of ocular spark types. We conclude that iris radiance through ocular sparks in T. delaisi is not a side effect of eye movement, but adaptively modulated in response to the context under which prey are detected. We discuss the possible alternative functions of ocular sparks, including an as yet speculative role in active photolocation.
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