
國家實驗研究院海洋科技研究中心投入三年開發深海高流量eDNA採樣模組,可在深海自動過濾海水並採集生物遺留的DNA碎片,經基因定序分析後識別出365種深海生物,包括魚類、軟體動物、甲殼類、深海珊瑚及棘皮動物等,適用於台灣周遭海域深海生態調查與長期監測。
AI-generated summary
深海生態調查因環境極惡及技術限制而困難重重,傳統方法多具侵入性且效率低,亟需非侵入式、高效率的監測技術來評估深海生物多樣性與生態健康。
透過模組可測得台灣西南海域有阿卡珊瑚等物種。(國研院提供)
國家實驗研究院海洋科技研究中心投入3年,成功開發「深海高流量eDNA採樣模組」,可在深海自動採集深海生物殘留於海中的DNA碎片,並透過基因定序分析辨識出棲息或活動於該處海域的生物類群,將可應用於台灣周遭海域深海生態調查和長期生態監測。
深海生態調查大不易,國研院海洋中心開發的「深海高流量eDNA採樣模組」透過收集環境中生物遺留的微量細胞、組織或排泄物,再利用分子生物學技術分析其中的遺傳物質,藉以推測環境中可能存在或活動的生物,是非侵入式的生態監測法。
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海洋中心進一步說明,該模組整合可耐受深海高壓環境的深海馬達、可精準定量且具低樣本污染風險的蠕動幫浦,以及可依研究需求更換孔徑的過濾模組,每小時可過濾逾100公升深海海水,大幅提高深海eDNA採集效率,獲取足量eDNA供後續分析使用。設備布放於深海定點後,即可依預先設定時間自動採樣,隔天再取回,對底棲生態幾乎達到「零干擾」。
團隊也在台灣西南海域進行實地測試,將採樣模組成功布放至深海海床,設備於海底自動過濾1小時,並於隔日順利回收,經後續基因定序分析,共獲得超過2200萬條環境DNA序列,經資料庫比對後,辨識出365種深海生物DNA,包括魚類、軟體動物(如頭足類與二枚貝)、甲殼類(蝦蟹類)、深海珊瑚,以及棘皮動物(如海星、海膽)等多樣的生物類群,充分展現設備於深海環境中優異的採樣效能,未來該模組將投入特定海域深海生物多樣性調查、海洋保育、深海資源管理及長期生態監測。
國研院海洋中心成功開發深海高流量eDNA採樣模組。(國研院提供)
AI outlook — possibilities, not facts
該深海高流量eDNA採樣模組將投入特定海域深海生物多樣性調查與長期生態監測
Very likely · Within months
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