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Journal : agritrop

Peranan Sucrose Phosphate Synthase (SPS) dan Acid Invertase (AI) Internoda Tebu (Saccharum officinarum L.) dalam Akumulasi Sukrosa -, MISWAR; SUGIHARTO, BAMBANG; HANDOYO, TRI; AYU MADE, SRI
AGRITROP Vol. 26, No. 4 Desember 2007
Publisher : AGRITROP

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Abstract

Sucrose content is an important component of yield in sugarcane (Saccharum officinarum L.) juice and itssynthesis is determines by the activity of Sucrose phosphate synthase (SPS; EC. 2.4.1.14). This enzyme catalyzes thepenultimate reaction of the formation of sucrose from fructose-6-phosphate (F6P) and uridine-5-diphospho glucose(UDPG). Sucrose is synthesized on leaf and translocated into stalk at where it is accumulated to be accumulatedit. In contrast to SPS, acid invertase (AI) is an enzyme that hydrolyze sucrose to glucose and fructose. The abilityof sugarcane to accumulate the sucrose in stalk is determined by the differences between SPS and AI activities.This study was aimed know role of the internodes SPS and AI in sucrose accumulation in the internodes of somesugarcane varieties. SPS, AI and sucrose were extracted from internodes 1, 3 and 5 of 9 month old sugarcane. Theresults showed that sucrose content for all varieties increased concomitant with the rise in the age of internodes.The decrease in AI activity in internode caused the increase in sucrose content in internodes. Meanwhile, highersucrose content in the older internodes was not followed by higher in SPS activity. Generally, there was strongnegative correlation between sucrose content of internodes with SPS and AI activity. In conclusion, the ability ofsugarcane to accumulate sucrose at internodes was primary determined by AI activity, while SPS activity had asmall role on sucrose accumulation at internodes.
Co-Authors A Bagus Nur Sudrajat A. Dinar Ambarwati Agustien, Inyana Dwi Agustien, Inyana Dwi Ahmad Ilham Tanzil Ahmad Ilham Tanzil Amir, Muhammad Hisyam Anjas Wida Elistia Rini Anuary Dwi Rosyid, Wafa Prasetia Arif Syaifudin, Arif Ariyono, Alief Rizky Arsy Chairiyah Asshidiqie, Wahyu Pratama Azizah, Kunti Anis Bayati, Tutiana Bon, Abdul Thalib Bin Budi Sulistiarini, Emma Dedi Dwilaksana Dedy Eko Rahmanto Dewita, Tiara Ajeng Dian Al Ghifari Perwitasari Digdo Listyadi, Digdo Djenal . Dwi Djumhariyanto Edia F.D Edia, Edia F.D Edy Listanto Elizabeth Eneng Tita Tosida Eny I. Riyanti Erlia Narulita Esti Utarti Fajrianto, Sigit Fanata, Wahyu Indra Duwi Ferdi Hariyanto Fibriani, Suwinda Hafiz, Syauqi Abyan Hafizi, Muhamad HARDIAN SUSILO ADDY Hari Purnomo Hasibuan, Aqil Muhammad Hayati, Nur Fadillah Husin, Andriati Amir Ida Ayu Putri Darmawanti Ika Oktavianawati Imas Cintamulya Inyana Dwi Agustien Iryani Endah Febrianti Jayus Jayus Khiar Ayatina Hasbi Kusmana Kusmana Laily Ilman Widuri, Laily Ilman Laksono Trisnantoro Lasino Lasino, Lasino Lassa, Anita Liem, Jhon Sepron Defretus Maisaro, Maisaro Maulani, Ardela Alief Media Ningtyas, Rinda MISWAR - Mochamad Asrofi Muhammad Hazmi Muhammad, Adibillah Mukhamad Su'udi Muslimah Arniyanti Nadya Oktafiana Neliana, Intan Ria Netty Ermawati Ni Putu Ayu Erninda Oktaviani Suputri Nikmah, Nasilatun Nina Oktaria, Nina Ningtiyas, Wulan Nursyiam Nugroho, Sandi Luqman Nurhayati Oktapan, Ladefa Primana Parawita Dewanti Purnama Okviandari Purnama Okviandari, Purnama Purwinto, Rahmanaji Setyo Rachman Setiawan Rahardhianto, Arsetyo Raharja, Ajung Gilang Putra Raharjo, Sulistyo Yusuf Rahma Rei Sakura Ramadhani, Rifki Fahrisal Ratnasari, Tri Raudhotun Jamila Restanto, Didik Pudji Retnosari Apriasti Ridho Dwi Ramadhani Rindang Dwiyani Risky Mulana Anur Salahuddin Junus Salih, Yasir Sholeh Avivi Sigit Soepardjono Siswahyudianto Siti Rohimah Siti Umayyah Soleh, Mohamad Badrus SRI AYU MADE Sri Rejeki Subandi, Kotim Sugara, Victor Ilyas Sugianto, Efendi Sukardiman Syafina Pusparani Toto Hadiarto Tri Agus Siswoyo TRI HANDOYO Tri J. Santoso Tri Ratnasari Tri Ratnasari Ummi Sholikhah Ummi Sholikhah Untung Murdiyanto Wahyu Indra Duwi Fanata Wahyu Indra Duwi Fanata Wahyu Nurkholis Hadi Syahputra Weny Nailul Hidayati Widhi Dyah Sawitri Wulan Nursyiam Ningtyas Yanti Setianti Yayuk Fatmawati Yoga Yuniadi Yudi Rinanto Yundari, Yundari Yusuf Rachmandika