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| 1 | Antioxidant Protection Mechanisms Reveal Significant Response in Drought-Induced Oxidative Stress in Some Traditional Rice of Assam, India显示文摘Drought tolerance levels and antioxidant protection mechanisms were evaluated for 21 traditional rice varieties of Assam, India, along with Sahbhagi Dhan(drought tolerant) and IR64(drought sensitive) as controls. Drought was imposed in hydroponic culture with polyethylene glycol 6000(PEG6000) that was initially standardized with different concentrations. All the rice varieties showed apparent decreases in growth characteristics under drought stress(initially at 15% for 7 d followed by 20% PEG6000 for 7 d in Yoshida medium). On the basis of standard evaluation score(SES), eight rice varieties showed high drought tolerance which were carried forward for further biochemical analyses. Based on different morphophysiological parameters, SN03(Bora), SN04(Prosad Bhog), SN05(Kola Joha), SN06(Helash Bora), SN08(Salihoi Bao), SN12(Kola Amona), SN20(Ronga Bora) and SN21(Sok-Bonglong) were identified as promising drought tolerant varieties. The non-enzymatic antioxidants activities viz., glutathione, ascorbate and enzymatic antioxidant activities such as superoxide dismutase(SOD), catalase(CAT), guaiacol peroxidase(GPX), ascorbate peroxidase(APX), glutathione reductase(GR) in shoots and roots of all the selected varieties revealed significant level of protection mechanisms as compared with controls. Enhancement in activities of the overall antioxidant enzymes including SOD, GPX, CAT, GR and APX under drought stress reflects their role in the adaptation process under water stress. | Shamsun NAHAR Lakshminarayana R.VEMIREDDY Lingaraj SAHOO Bhaben TANTI | 2018 | Rice science2018，25，4： | 3 |
| 2 | Cowpea NAC1/NAC2 transcription factors improve growth and tolerance to drought and heat in transgenic cowpea through combined activation of photosynthetic and antioxidant mechanisms显示文摘NAC(NAM/ATAF1/2/CUC2)transcription factors are central switches of growth and stress responses in plants.However,unpredictable interspecies conservation of function and regulatory targets makes the well-studied NAC orthologs inapt for pulse engineering.The knowledge of suitable NAC candidates in hardy pulses like cowpea(Vigna unguiculata(L.)Walp.)is still in infancy,hence warrants immediate biotechnological intervention.Here,we showed that overexpression of two native NAC genes(VuNAC1and VuNAC2)promoted germinative,vegetative,and reproductive growth and conferred multiple abiotic stress tolerance in a commercial cowpea variety.The transgenic lines displayed increased leaf area,thicker stem,nodule-rich denser root system,early flowering,higher pod production(~3.2-fold and~2.1-fold),and greater seed weight(10.3%and 6.0%).In contrast,transient suppression of VuNAC1/2 caused severe growth retardation and flower inhibition.The overexpressor lines showed remarkable tolerance to major yielddeclining terminal stresses,such as drought,salinity,heat,and cold,and recovered growth and seed production by boosting photosynthetic activity,water use efficiency,membrane integrity,Na^(+)/K^(+)homeostasis,and antioxidant activity.The comparative transcriptome study indicated consolidated activation of genes involved in chloroplast development,photosynthetic complexes,cell division and expansion,cell wall biogenesis,nutrient uptake and metabolism,stress response,abscisic acid,and auxin signaling.Unlike their orthologs,VuNAC1/2 direct synergistic transcriptional tuning of stress and developmental signaling to avoid unwanted trade-offs.Their overexpression governs the favorable interplay of photosynthesis and reactive oxygen species regulation to improve stress recovery,nutritional sufficiency,biomass,and production.This unconventional balance of strong stress tolerance and agronomic quality is useful for translational crop research and molecular breeding of pulses. | Richa Srivastava Yuriko Kobayashi Hiroyuki Koyama Lingaraj Sahoo | 2023 | Journal of Integrative Plant Biology2023，65，1： | 2 |
| 3 | Vascular endothelial growth factor (VEGF) is expressed during articular cartilage growth and re- expressed in osteoarthritis显示文摘 | Lingaraj K Poh CK Wang W | 2010 | Ann Acad Med Singapore2010，39，5： | 1 |
| 4 | Spontaneous spinal epidural hematoma associated with aspirin intake显示文摘 | Oh JY Lingaraj K Rahmat R | | 0，，12： | 1 |
| 5 | A comparative study of closed versus open reduction and internal fixation (using retromandibular approach) in the management of subcondylar fracture显示文摘 | Kotrashetti SM Lingaraj JB Khurana V | 2013 | Oral Surg Oral Med Oral Pathol Oral Radiol2013，115，4： | 1 |
| 6 | Complications and their risk factorsfollowing hip fracture surgery 显示文摘 | Poh KS Lingaraj K | 2013 | J Orthop Surg (HongKong)2013，21，2： | 1 |
| 7 | Predebridement wound culture in open fractures does not predict postoperative wound infection:A pilot study 显示文摘 | Lingaraj R Santoshi J A Devi S | 2015 | Journal of natural science biology and medicine2015，6，1： | 1 |
| 8 | Strategies to deal with the concern about marker genes in transgenic plants:some environment-friendly approaches显示文摘 | Pawan K J Lingaraj S N Dolendro Singh | 2002 | Current Science2002，83，2： | 1 |
| 9 | Vascular Endothelial Growth Factor (VEGF) is Expressed During Articular Cartilage Growth and Reexpressed in Osteoarthritis显示文摘 | Lingaraj K Poh CK Wang W | 2010 | Ann Acad Med Singapore2010，39，5： | 1 |
| 10 | Vascular endothelial growth factor (VEGF) is expressed during articular cartilage growth and re-ex- pressed in osteoarthritis 显示文摘 | Lingaraj K Poh CK Wang W | 2010 | Ann Acad Med Singapore2010，39，5： | 1 |
| 11 | Complications and their risk factors following hip fracture surgery显示文摘 | Poh KS Lingaraj K | 2013 | J Orthop Surg(Hong Kong)2013，21，2： | 1 |
| 12 | Complications and their risk factors following hip fracture surgery显示文摘 | Keng Soon Poh K Lingaraj | 2013 | Orthopaedic Surgery2013，21，2： | 1 |
| 13 | Development of a genotype independent and transformation amenable regeneration system from shoot apex in rice (Oryza sativa spp. indica) using TDZ显示文摘 | Mohitosh Dey Souvika Bakshi Gabor Galiba Lingaraj Sahoo Sanjib Panda | 2012 | Biotech2012，，3： | 1 |
| 14 | Complications and their risk factors following hip fracture surgery显示文摘 | Poh Keng Soon Lingaraj K | 2013 | Journal of Orthopaedic Surgery2013，，2： | 1 |
| 15 | Complications and their risk fac- tors following? hip? fracture surgery显示文摘 | Poh K S Lingaraj K | 2013 | J Orthop Surg (Hong Kong)2013，21，2： | 1 |
| 16 | Complications and their risk factors following hip fracture surgery显示文摘 | POH K S LINGARAJ K | 2013 | J Orthop Surg(Hong Kong)2013，21，2： | 1 |
| 17 | The management of severe acetabular bone defects in revision hip arthroplasty using modular porous metal components显示文摘 | Lingaraj K Teo YH Bergman N | 2009 | J Bone Joint Surg Br2009，91，： | 1 |
| 18 | Vascular endothelial growth factor (VEGF) is expressed during articular cartilage growth and re-expressed in osteoarthritis显示文摘 | Lingaraj K Poh CK Wang W | 2010 | Ann Acad ivied Singapore2010，39，5： | 1 |
| 19 | Vascular Endothelial Growth Factor(VEGF) is Expressed During Articular Cartilage Growth and Reexpressed in Osteoarthritis 显示文摘 | Lingaraj K Poh CK Wang W | 2010 | Ann A cad Med S inga- pore2010，39，5： | 1 |
| 20 | Anterior seg-mental distraction osteogenesis in the hypoplastic cleft maxilla:reportof five cases显示文摘 | Rao Janardhan S Kotrashetti SM Lingaraj JB | | 0，，03： | 1 |
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