Science - USA (2021-07-09)

As a group, carnivorous marine mammals (e.g., whales, dolphins, and seals) have a 2.3-fold increase in BMR relative to the allom ...

SENSORY EVOLUTION Early origin of sweet perception in the songbird radiation Yasuka Toda1,2,3, Meng-Ching Ko^4 , Qiaoyi Liang^4 ...

were still functional and suggesting a distinct mechanism for sugar detection in each radia- tion (Fig. 3, A and B, and fig. S6) ...

228 9JULY2021•VOL 373 ISSUE 6551 sciencemag.org SCIENCE white-eyesbulbuls tits canaries tyrant antshrikesflycatchershoneyeaters ...

of the protein rather than via identical residues. In T1R3, functionally important sites are located across the protein, includi ...

retained an ancestral sensory ability as they radiated out of Australia and colonized diverse habitats across the planet. This s ...

C. H. Oliveroset al.,Proc. Natl. Acad. Sci. U.S.A. 116 , 7916 – 7925 (2019). A. H. Thornhillet al.,Aust. Syst. Bot. 32 , 29–48 ...

in part why they are not easily found in public domain RNA-seq datasets. Nonetheless, they resulted in detectable protein, as im ...

dice dsRNA into siRNAs, a hallmark of Dicers involved in antiviral RNAi. To assess the ability of aviD to mediate anti- viral RN ...

to express the SARS-CoV-2 entry receptor ACE2 (angiotensin-converting enzyme 2) (fig. S2D). We observed a factor of 3 reduction ...

protect adult stem cells from ZIKV and SARS- CoV-2 virus infection by orchestrating an anti- viral RNAi response. Our results sh ...

the only isoform expressed in the cell; this would imply that aviD is not fully specialized for antiviral RNAi. Antiviral RNAi h ...

composed of H295-C301-C306-C310 and C487- H642-C645-C646 (fig. S1). These zinc ions have been proposed to serve a structural rol ...

identified in numerous proteins involved in DNA and RNA metabolism, where they play a variety of critical functional roles ( 12 ...

of nontargeting small interfering RNAs (NT siRNAs) or with siRNAs against the initial Fe-S biogenesis scaffold, ISCU. In control ...

the notion that both [Fe 4 S 4 ] cluster binding sites had been eliminated (Fig. 2, A and B, and fig. S3, A and B). The two [Fe ...

metabolism enzymes have been thought to participate directly not in catalysis but in modulating binding of the enzyme to the tem ...

NEUROSCIENCE Nonlocal spatiotemporal representation in the hippocampus of freely flying bats Nicholas M. Dotson^1 and Michael M. ...

SCIENCEsciencemag.org 9JULY2021•VOL 373 ISSUE 6551 243 Fig. 1. CA1 neurons in flying bats encode nonlocal positions, primarily i ...

What role can a representation of space that is divorced from the present moment play in a navigating animal? Egyptian fruit bat ...