دورية أكاديمية
Object preference by walking fruit flies, Drosophila melanogaster, is mediated by vision and graviperception.
| العنوان: | Object preference by walking fruit flies, Drosophila melanogaster, is mediated by vision and graviperception. |
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| المؤلفون: | Robie AA; Department of Biology, California Institute of Technology, Pasadena, CA 91125, USA. arobie@gmail.com, Straw AD, Dickinson MH |
| المصدر: | The Journal of experimental biology [J Exp Biol] 2010 Jul 15; Vol. 213 (Pt 14), pp. 2494-506. |
| نوع المنشور: | Journal Article; Research Support, N.I.H., Extramural; Research Support, U.S. Gov't, Non-P.H.S. |
| اللغة: | English |
| بيانات الدورية: | Publisher: Company Of Biologists Limited Country of Publication: England NLM ID: 0243705 Publication Model: Print Cited Medium: Internet ISSN: 1477-9145 (Electronic) Linking ISSN: 00220949 NLM ISO Abbreviation: J Exp Biol Subsets: MEDLINE |
| أسماء مطبوعة: | Publication: London : Company Of Biologists Limited Original Publication: London, Cambridge Univ. Press. |
| مواضيع طبية MeSH: | Walking*, Behavior, Animal/*physiology , Drosophila melanogaster/*physiology , Gravity Sensing/*physiology , Vision, Ocular/*physiology, Animals ; Cues ; Environment ; Exploratory Behavior/physiology ; Orientation/physiology |
| مستخلص: | Walking fruit flies, Drosophila melanogaster, use visual information to orient towards salient objects in their environment, presumably as a search strategy for finding food, shelter or other resources. Less is known, however, about the role of vision or other sensory modalities such as mechanoreception in the evaluation of objects once they have been reached. To study the role of vision and mechanoreception in exploration behavior, we developed a large arena in which we could track individual fruit flies as they walked through either simple or more topologically complex landscapes. When exploring a simple, flat environment lacking three-dimensional objects, flies used visual cues from the distant background to stabilize their walking trajectories. When exploring an arena containing an array of cones, differing in geometry, flies actively oriented towards, climbed onto, and explored the objects, spending most of their time on the tallest, steepest object. A fly's behavioral response to the geometry of an object depended upon the intrinsic properties of each object and not a relative assessment to other nearby objects. Furthermore, the preference was not due to a greater attraction towards tall, steep objects, but rather a change in locomotor behavior once a fly reached and explored the surface. Specifically, flies are much more likely to stop walking for long periods when they are perched on tall, steep objects. Both the vision system and the antennal chordotonal organs (Johnston's organs) provide sufficient information about the geometry of an object to elicit the observed change in locomotor behavior. Only when both these sensory systems were impaired did flies not show the behavioral preference for the tall, steep objects. |
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| معلومات مُعتمدة: | R01 DA022777 United States DA NIDA NIH HHS; R01DA022777-04 United States DA NIDA NIH HHS |
| تواريخ الأحداث: | Date Created: 20100629 Date Completed: 20101019 Latest Revision: 20211020 |
| رمز التحديث: | 20231215 |
| مُعرف محوري في PubMed: | PMC2892423 |
| DOI: | 10.1242/jeb.041749 |
| PMID: | 20581279 |
| قاعدة البيانات: | MEDLINE |
| تدمد: | 1477-9145 |
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| DOI: | 10.1242/jeb.041749 |