The Large Japanese Field Mouse (Apodemus speciosus) as a Consumer and Potential Disperser of Seeds of the Neurotoxic Japanese Star Anise (Illicium anisatum)

IF 0.8 4区 生物学 Q3 ZOOLOGY Mammal Study Pub Date : 2023-03-29 DOI:10.3106/ms2022-0042
Tetsuro Yoshikawa
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引用次数: 1

Abstract

Abstract. The small Japanese field mouse Apodemus argenteus is known to disperse the highly toxic seeds of the Japanese star anise Illicium anisatum (Schisandraceae); however, whether the large Japanese field mouse A. speciosus does so remains unexplored. Seeds of I. anisatum were placed in mesh cages with openings sized only for small rodents and monitored at two forest sites in Tsukuba, Ibaraki Prefecture, Japan, in autumn 2018. Any animals approaching or entering the cages were recorded by automated cameras with infrared motion sensors. Only A. speciosus was recorded entering the cages. At both sites, some seeds were consumed inside the cages or transported outside them. These results show that A. speciosus interacts with seeds of I. anisatum and is a potential agent of seed dispersal. Further study is needed to determine whether it can tolerate anisatin, the main neurotoxin in I. anisatum, and the possible tolerance mechanism.
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日本大田鼠(Apodemus speciosus)作为神经毒性八角茴香种子的消费者和潜在传播者
摘要众所周知,日本小田鼠阿基特鼠能传播日本八角茴香(五味子科)的剧毒种子;然而,大型日本田鼠A. speciosus是否这样做仍未被研究。2018年秋季,在日本茨城县筑波的两个森林站点,将异色鼠种子放置在开口仅供小型啮齿动物使用的网笼中,并对其进行监测。任何接近或进入笼子的动物都被带有红外运动传感器的自动摄像机记录下来。只有特氏棘螨进入笼内。在这两个地点,一些种子在笼子里被吃掉,或者被运到笼子外面。这些结果表明,刺槐与异花菊种子相互作用,是一种潜在的种子传播媒介。其能否耐受茴香中主要神经毒素茴香素及其可能的耐受机制有待进一步研究。
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来源期刊
Mammal Study
Mammal Study ZOOLOGY-
CiteScore
1.70
自引率
20.00%
发文量
23
审稿时长
>12 weeks
期刊介绍: Mammal Study is the official journal of the Mammal Society of Japan. It publishes original articles, short communications, and reviews on all aspects of mammalogy quarterly, written in English.
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