Results 51 to 60 of about 7,284 (264)

Debris Disks Can Contaminate Mid-infrared Exoplanet Spectra: Evidence for a Circumstellar Debris Disk around Exoplanet Host WASP-39

The Astrophysical Journal Letters
The signal from a transiting planet can be diluted by astrophysical contamination. In the case of circumstellar debris disks, this contamination could start in the mid-infrared and vary as a function of wavelength, which would then change the observed ...
Laura Flagg, Alycia J. Weinberger, Taylor J. Bell, Luis Welbanks, Giuseppe Morello, Diana Powell, Jacob L. Bean, Jasmina Blecic, Nicolas Crouzet, Peter Gao, Julie Inglis, James Kirk, Mercedes López-Morales, Karan Molaverdikhani, Nikolay Nikolov, Apurva V. Oza, Benjamin V. Rackham, Seth Redfield, Shang-Min Tsai, Ray Jayawardhana, Laura Kreidberg, Matthew C. Nixon, Kevin B. Stevenson, Jake D. Turner   +23 more
doaj   +1 more source

Balanced Expression of the Diiron Oxygenase BioE Is Essential for Biotin Homeostasis in Elizabethkingia meningoseptica

Advanced Science, EarlyView.
BioE is a new diiron oxygenase that catalyzes the conversion of long‐chain acyl groups into pimeloyl thioester, initiating biotin synthesis. The overexpression of EmBioE disrupts lipid metabolic homeostasis, requiring repressor BioL to maintain a balance between long‐chain fatty acids and biotin synthesis.
Meng Zhang, Ying‐ying Fu, Xiaoqiang Yang, Qiuying Qin, Xinyu Su, Jiaming Fang, Yanhua Kang, Qingwen He, Zhi Ruan, Yongchang Xu   +9 more
wiley   +1 more source

A Biomarker‐Driven Ovary–Endometrium Organ‐on‐a‐Chip Mimicking 3D Multicellular Complexity and Menstrual Cyclicity for Predicting Reproductive Toxicity

Advanced Science, EarlyView.
We present a dual‐organ, biomarker‐integrated ovaryendometrium organ‐on‐a‐chip that recapitulates 3D tissue complexity, menstrual cycle dynamics, and hormonal crosstalk. This platform enables real‐time, cell‐typespecific fluorescent readouts of reproductive toxicity using ANGPTL4 and SERPINB2 as early‐response reporters.
Soo‐Rim Kim, Eun‐kyung Min, Choon‐Mi Lee, Chan Hum Park, Byung‐Chul Oh, YunJae Jung, In‐Sun Hong   +6 more
wiley   +1 more source

Immunomodulatory Hydrogel Coating with SeNPs and Lithium Silicate Synergistically Promotes Osseointegration and Prevents Infection on Titanium Implants

Advanced Science, EarlyView.
This study introduces a multifunctional hydrogel coating (Lap‐CMCSMA/GelMA@SeNPs) that scavenges ROS, modulates immune responses, and shows strong antibacterial activity. It effectively restores the peri‐implant microenvironment. The coating exhibits excellent biocompatibility and promotes osteogenic differentiation.
Su Jiang, Baisheng Cai, Cong Ye, Kefan Wu, Kuan Liu, Pengcheng Xu, Fan Liu, Yake Liu   +7 more
wiley   +1 more source

High Resolution ALMA Data of the Fomalhaut Debris Disk Confirms Apsidal Width Variation

The Astrophysical Journal Letters
We present long-baseline observations of the Fomalhaut outer debris disk at 223 GHz (1.3 mm) from Atacama Large Millimeter/submillimeter Array (ALMA) Cycle 5, which we use along with archival short-baseline observations to produce a 0 $\mathop{.}\limits{^
Jay S. Chittidi, Meredith A. MacGregor, Joshua Bennett Lovell, Gaspard Duchene, Mark Wyatt, Olja Panic, Paul Kalas, Margaret Pan, A. Meredith Hughes, David J. Wilner, Grant M. Kennedy, Luca Matrà, Michael P. Fitzgerald, Kate Y. L. Su   +13 more
doaj   +1 more source

Syntaxin 3B Mediates Light‐Dependent Interactions with STXBP1 and Arrestin 4: Distinct Roles in Rods and Cones

Advanced Science, EarlyView.
The present study investigates a cone‐specific STX3 knockout model, displaying a complete loss of cone function, a later onset reduction in rod function, and photoreceptor cell death. A cone‐specific depletion of STXBP1 and ARR4 could be observed in this model.
Lars Tebbe, Larissa Ikelle, Mustafa S. Makia, Mashal Kakakhel, Muayyad R. Al‐Ubaidi, Muna I. Naash   +5 more
wiley   +1 more source

Deep Search for a Scattered Light Dust Halo Around Vega with the Hubble Space Telescope

The Astronomical Journal
We present a provisory scattered-light detection of the Vega debris disk using deep Hubble Space Telescope (HST) coronagraphy (PID 16666). At only 7.7 pc, Vega is immensely important in debris disk studies both for its prominence and also because it ...
Schuyler G. Wolff, András Gáspár, George H. Rieke, Jarron M. Leisenring, Kate Su, David J. Wilner, Luca Matrà, Marie Ygouf, Nicholas P. Ballering   +8 more
doaj   +1 more source

MDP25‐VDAC3 Complex Orchestrates Actin Remodeling and Mitochondrial Dynamics to Modulate Innate Immunity in Arabidopsis

Advanced Science, EarlyView.
This study reveals that actin remodeling regulates mitochondrial elongation as a defense strategy in plants. Flagellin perception induces fusion‐dependent elongation, supported by cortical actin bundles, to repair damage and boost ATP and ROS production.
Junxiu Hou, Pengfei Lu, Xuan Cui, Liangfeng Luo, Qing Pan, Jiejie Li   +5 more
wiley   +1 more source

Probing the Era of Giant Collisions: Millimeter Observations of the HD 166191 System

The Astrophysical Journal
We present nonsimultaneous Atacama Large Millimeter/submillimeter Array (ALMA) Band 7 and Submillimeter Array (SMA) observations of the HD 166191 disk, which was recently thought to have a collision in its terrestrial planet zone.
Kadin Worthen, Christine H. Chen, A. Meredith Hughes, Brandon C. Johnson, Isabel Rebollido, Diego E. Garcia, Jamar Kittling, Carey M. Lisse   +7 more
doaj   +1 more source

HD 117214 debris disk: scattered-light images and constraints on the presence of planets [PDF]

, 2020
N. Engler, C. Lazzoni, R. Gratton, J. Milli, H. M. Schmid, G. Chauvin, Quentin Kral, Nicole Pawellek, P. Thébault, A. Boccaletti, M. Bonnefoy, Shannon Brown, T. Buey, F. Cantalloube, M. Carle, A. Cheetham, S. Desidera, M. Feldt, C. Ginski, D. Gisler, Th. Henning, S. Hunziker, A.-M. Lagrange, M. Langlois, D. Mesa, Michael R. Meyer, O. Moeller-Nilsson, J. Olofsson, C. Petit, Simon Petrus, Sascha P. Quanz, Emily Rickman, Eric Stadler, T. Stolker, A. Vigan, F. Wildi, A. Zurlo   +36 more
openalex   +1 more source