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Symbiotic magnetic sensing: raising evidence and beyond

机译:共生磁感应:提高证据及超越

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The identity of a magnetic sensor in animals remains enigmatic. Although the use of the geomagnetic field for orientation and navigation in animals across a broad taxonomic range has been well established over the past five decades, the identity of the magnetic-sensing organ and its structure and/or apparatus within such animals remains elusive-'a sense without a receptor'. Recently, we proposed that symbiotic magnetotactic bacteria (MTB) may serve as the underlying mechanism behind a magnetic sense in animals-'the symbiotic magnetic-sensing hypothesis'. Since we first presented this hypothesis, both criticism and support have been raised accordingly. Here we address the primary criticisms and discuss the plausibility of such a symbiosis, supported by preliminary findings demonstrating the ubiquity of MTB DNA in general, and specifically in animal samples. We also refer to new supporting findings, and discuss host adaptations that could be driven by such a symbiosis. Finally, we suggest the future research directions required to confirm or refute the possibility of symbiotic magnetic-sensing. This article is part of the theme issue 'The role of the microbiome in host evolution'.
机译:动物中磁传感器的身份仍然是神秘的。尽管在过去的五十年中,在广泛的分类范围内使用了在广泛的分类范围内的动物方向和导航的地磁场,但在过去的五十年中已经很好地建立了很好的成熟,但这种动物内的磁感官及其结构和/或设备的身份仍然是难以捉摸的 - '没有受体的感觉。最近,我们提出了共生磁通细菌(MTB)可以作为动物 - '共生磁感测假设的磁性感应背后的潜在机制。由于我们首先提出了这一假设,因此批评和支持都得到了相应的提出。在这里,我们解决了主要批评并讨论了这种共生的合理性,通过初步调查结果证明了一般的MTB DNA的无处不在,并且特别是在动物样品中。我们还指的是新的支持调查结果,并讨论可能由这种共生驱动驱动的主机适应。最后,我们建议未来的研究方向确认或反驳共生磁感的可能性。本文是主题问题的一部分问题“微生物组在宿主演变中的作用”。

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