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All Journal Genbinesia Journal of Biology AQUANIPA - Jurnal Ilmu Kelautan dan Perikanan
Akiyama, Dean Mikio
Unknown Affiliation
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Earth & Planetary Sciences Engineering Environmental Science Health Professions Immunology & microbiology Social Sciences

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The Molecular and developmental insights into gonadogenesis and primordial germ cell migration in pacific white shrimp (Litopenaeus vannamei): A comprehensive review Hananya, Ariel; Iman, Mohamad Nurul; Rifany, Ade; Kusuma, Satria Aji; Kurnia, Methodius Digna; Widodo, Rubiyanto; Efendy, Hendi Yanto; Jacinda, Adinda Kinasih; Akiyama, Dean Mikio; Laiman, Hendri
Genbinesia Journal of Biology Vol. 3 No. 3 (2024): July 2024
Publisher : Generasi Biologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55655/genbinesia.v3i3.64

Abstract

The Pacific white shrimp, Litopenaeus vannamei, is a key species in global aquaculture, valued for its rapid growth and high market demand. Understanding the molecular mechanisms of gonadogenesis and primordial germ cell (PGC) migration in this species is vital for optimizing breeding programs. This review consolidates current knowledge on these processes, highlighting the role of the vasa gene as a germ cell marker. Vasa expression was tracked from fertilized eggs to juveniles aged four months, revealing the conserved DEAD-box helicase motif essential for germ cell development. Early detection of vasa messenger ribonucleic acid (mRNA) in developmental stages such as nauplius and zoea indicates its role in germ cell specification. By the post-larval stages, PGCs formed clusters associated with somatic gonadal precursor cells (SGPs), which support PGC migration and development. Quantitative polymerase chain reaction (qPCR) and reverse transcription PCR (RT-PCR) analyses demonstrated dynamic changes in vasa gene expression, suggesting critical windows for PGC proliferation and differentiation. Comparative studies with other species, such as Macrobrachium rosenbergii and Fenneropenaeus chinensis, emphasize the evolutionary conservation of germ cell development mechanisms. These insights are crucial for enhancing reproductive management and sustainability in shrimp farming, facilitating targeted interventions to improve breeding efficiency and hatchery success.
ANALISIS MULTIFAKTORIAL KEMATIAN MASSAL IKAN GURAME (Osphronemus gouramy) DI TULUNGAGUNG: PERAN DOMINANSI Oscillatoria sp. DAN POTENSI INFEKSI VIRAL Hananya, Ariel; Khanaria, Granita; Mulyanto, Joko; Muna, Nailil; Saputri, Eryani; Wirastuti, Maria Magdalena Diah Rosa; Fitriana, Rachmawati Nur; Nasiroh, Laeli; Sari, Putri Purnama; Azzahra, Luthfiana; Rahayu, Mufti; Amelia, Syakila; Halaludin, Beni; Supriyadi; Nugraha, Daniel Mastri; Riyadini, Sari Kusuma; Dewantoro, Novinda Fajar Sugeng; Irawan, Dody; Pramono, Adji; Efendy, Hendi Yanto; Haliman, Rubiyanto Widodo; Akiyama, Dean Mikio; Laiman, Hendri
AQUANIPA - Jurnal Ilmu Kelautan dan Perikanan Vol 8 No 1 (2026): AQUANIPA - Jurnal Kelautan dan Perikanan
Publisher : Universitas Nusa Nipa

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Abstract

Penelitian ini bertujuan untuk mengidentifikasi faktor penyebab kematian massal ikan gurame (Osphronemus gouramy) di beberapa kolam budidaya di Tulungagung melalui pendekatan multifaktorial yang mencakup analisis kualitas air, komposisi plankton, pemeriksaan hematologi, histopatologi, dan deteksi molekuler patogen. Hasil pengukuran kualitas air menunjukkan kondisi lingkungan yang suboptimal, termasuk kadar oksigen terlarut rendah, konsentrasi nitrit tinggi, dan dominansi fitoplankton Oscillatoria sp. dengan kepadatan tinggi. Analisis plankton mengindikasikan potensi produksi microcystin yang bersifat hepatotoksik. Pemeriksaan histopatologi mengungkap kerusakan serius pada hati, ginjal, dan limpa, sedangkan profil hematologi menunjukkan anemia normositik normokrom dan leukositosis. Deteksi molekuler (PCR) memastikan keberadaan Infectious Spleen and Kidney Necrosis Virus (ISKNV) pada beberapa sampel, sementara patogen bakteri utama tidak terdeteksi. Temuan ini mengindikasikan bahwa mortalitas massal disebabkan oleh interaksi sinergis antara stres lingkungan akibat dominansi plankton toksik dan infeksi ISKNV, yang sesuai dengan konsep multiple stressor syndrome. Hasil penelitian ini menegaskan pentingnya pengelolaan kualitas air, pengendalian plankton toksik, dan pemantauan kesehatan ikan secara berkala untuk mencegah kejadian serupa di masa depan.
Co-Authors Amelia, Syakila Azzahra, Luthfiana Dewantoro, Novinda Fajar Sugeng Efendy, Hendi Yanto Fitriana, Rachmawati Nur Halaludin, Beni Haliman, Rubiyanto Widodo Hananya, Ariel Iman, Mohamad Nurul Jacinda, Adinda Kinasih Joko Mulyanto, Joko Khanaria, Granita Kurnia, Methodius Digna Kusuma, Satria Aji Laiman, Hendri Nailil Muna Nasiroh, Laeli Nugraha, Daniel Mastri Pramono, Adji Putri Purnama Sari, Putri Purnama Rahayu, Mufti Rifany, Ade Riyadini, Sari Kusuma Saputri, Eryani Supriyadi Widodo, Rubiyanto Wirastuti, Maria Magdalena Diah Rosa