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Observing Simulations of Far-Infrared Surveyor on-board ASTRO-F : Extragalactic Point Sources
Woong-Seob Jeong,Soojong Pak,Hyung-Mok Lee,Sam Kim,Jungjoo Sohn,Mikako Matsuura,Takao Nakagawa,Issei Yamamura,Shuji Matsuura,Mitsunoby Kawada,Hidehiro Kaneda,Hiroshi Murakami,Hiroshi Shibai 한국우주과학회 2000 한국우주과학회보 Vol.9 No.2
Observing Simulations of Far-Infrared Surveyor on-board ASTRO-F: Extragalactic Point Sources
Woong-Seob Jeong,Soojong Pak,Hyung Mok Lee,Sam Kim,Jungjoo Sohn,Mikako Matsuura,Takao Nakagawa,Issei Yamamura,Shujl Matsuura,Mitsunobu Kawada,Hidehiro Kaneda,Hiroshi Murakami,Hiroshi Shibai 한국천문학회 2000 天文學會報 Vol.25 No.2
Ohshima, Jun,Lee, Youngae,Sasai, Miwa,Saitoh, Tatsuya,Su Ma, Ji,Kamiyama, Naganori,Matsuura, Yoshiharu,Pann-Ghill, Suh,Hayashi, Mikako,Ebisu, Shigeyuki,Takeda, Kiyoshi,Akira, Shizuo,Yamamoto, Masahiro The American Association of Immunologists, Inc. 2014 JOURNAL OF IMMUNOLOGY Vol.192 No.7
<P>IFN-γ mediates cellular innate immunity against an intracellular parasite, <I>Toxoplasma gondii</I>, by inducing immunity-related GTPases such as p47 IFN-γ–regulated GTPases (IRGs) and p65 guanylate-binding proteins (GBPs), which also participate in antibacterial responses via autophagy. An essential autophagy protein, Atg5, was previously shown to play a critical role in anti–<I>T. gondii</I> cell-autonomous immunity. However, the involvement of other autophagy proteins remains unknown. In this study, we show that essential autophagy proteins differentially participate in anti–<I>T. gondii</I> cellular immunity by recruiting IFN-γ–inducible GTPases. IFN-γ–induced suppression of <I>T. gondii</I> proliferation and recruitment of an IRG Irgb6 and GBPs are profoundly impaired in Atg7- or Atg16L1-deficient cells. In contrast, cells lacking other essential autophagy proteins, Atg9a and Atg14, are capable of mediating the anti–<I>T. gondii</I> response and recruiting Irgb6 and GBPs to the parasites. Although IFN-γ also stimulates anti–<I>T. gondii</I> cellular immunity in humans, whether this response requires GBPs and human autophagy proteins remains to be seen. To analyze the role of human ATG16L1 and GBPs in IFN-γ–mediated anti–<I>T. gondii</I> responses, human cells lacking ATG16L1 or GBPs were generated by the Cas9/CRISPR genome-editing technique. Although both ATG16L1 and GBPs are dispensable for IFN-γ–induced inhibition of <I>T. gondii</I> proliferation in the human cells, human ATG16L1 is also required for the recruitment of GBPs. Taken together, human ATG16L1 and mouse autophagy components Atg7 and Atg16L1, but not Atg9a and Atg14, participate in the IFN-γ–induced recruitment of the immunity-related GTPases to the intracellular pathogen.</P>
AKARI INFRARED CAMERA SURVEY OF THE LARGE MAGELLANIC CLOUD. I. POINT-SOURCE CATALOG
Kato, Daisuke,Ita, Yoshifusa,Onaka, Takashi,Tanabé,, Toshihiko,Shimonishi, Takashi,Sakon, Itsuki,Kaneda, Hidehiro,Kawamura, Akiko,Wada, Takehiko,Usui, Fumihiko,Koo, Bon-Chul,Matsuura, Mikako,Tak American Institute of Physics 2012 The Astronomical journal Vol.144 No.6
<P>We present a near- to mid-infrared point-source catalog of five photometric bands at 3.2, 7, 11, 15, and 24 μm for a 10 deg<SUP>2</SUP> area of the Large Magellanic Cloud (LMC) obtained with the Infrared Camera on board the AKARI satellite. To cover the survey area the observations were carried out at three separate seasons from 2006 May to June, 2006 October to December, and 2007 March to July. The 10σ limiting magnitudes of the present survey are 17.9, 13.8, 12.4, 9.9, and 8.6 mag at 3.2, 7, 11, 15, and 24 μm, respectively. The photometric accuracy is estimated to be about 0.1 mag at 3.2 μm and 0.06-0.07 mag in the other bands. The position accuracy is 0<img entity='farcs' SRC='http://ej.iop.org/icons/Entities/farcs.gif' ALT='farcs' ALIGN='BOTTOM' />3 at 3.2, 7, and 11 μm and 1<img entity='farcs' SRC='http://ej.iop.org/icons/Entities/farcs.gif' ALT='farcs' ALIGN='BOTTOM' />0 at 15 and 24 μm. The sensitivities at 3.2, 7, and 24 μm are roughly comparable to those of the Spitzer SAGE LMC point-source catalog, while the AKARIcatalog provides the data at 11 and 15 μm, covering the mid-infrared spectral range contiguously. Two types of catalog are provided: a Catalog and an Archive. The Archive contains all the detected sources, while the Catalog only includes the sources that have a counterpart in the Spitzer SAGE point-source catalog. The Archive contains about 650,000, 140,000, 97,000, 43,000, and 52,000 sources at 3.2, 7, 11, 15, and 24 μm, respectively. Based on the catalog, we discuss the luminosity functions at each band, the color-color diagram, and the color-magnitude diagram using the 3.2, 7, and 11 μm band data. Stars without circumstellar envelopes, dusty C-rich and O-rich stars, young stellar objects, and background galaxies are located at distinct regions in the diagrams, suggesting that the present catalog is useful for the classification of objects toward the LMC.</P>