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| 1 | Comparative Effects of Salt Stress and Extreme pH Stress Combined on Glycinebetaine Accumulation,Photosynthetic Abilities and Growth Characters of Two Rice Genotypes显示文摘Glycinebetaine (Glybet) accumulation, photosynthetic efficiency and growth performance in indica rice cultivated under salt stress and extreme pH stress were investigated. Betaine aldehyde dehydrogenase (BADH) activity and Glybet accumulation in the seedlings of salt-tolerant and salt-sensitive rice varieties grown under saline and acidic conditions peaked after treatment for 72 h and 96 h, respectively, and were higher than those grown under neutral pH and alkaline salt stress. A positive correlation was found between BADH activity and Glybet content in both salt-tolerant (r2=0.71) and salt-sensitive (r2=0.86) genotypes. The chlorophyll a, chlorophyll b, total chlorophyll and total carotenoids contents in the stressed seedlings significantly decreased under both acidic and alkaline stresses, especially in the salt-sensitive genotype. Similarly, the maximum quantum yield of PSII (Fv/Fm), photon yield of PSII (ΦPSII), non-photochemical quenching (NPQ) and net photosynthetic rate (Pn) in the stressed seedlings were inhibited, leading to overall growth reduction. The positive correlations between chlorophyll a content and Fv/Fm, total chlorophyll content and ΦPSII, ΦPSII and Pn as well as Pn and leaf area in both salt-tolerant and salt-sensitive genotypes were found. Saline acidic and saline alkaline soils may play a key role affecting vegetative growth prior to the reproductive stage in rice plants. | Suriyan CHA-UM Kanyaratt SUPAIBULWATTANA Chalermpol KIRDMANEE | 2009 | Rice science2009，16，4： | 17 |
| 2 | Proline Accumulation,Photosynthetic Abilities and Growth Characters of Sugarcane(Saccharum officinarum L.) Plantlets in Response to Iso-Osmotic Salt and Water-Deficit Stress显示文摘The aim of this study was to investigate the biochemical,physiological and morphological responses of sugarcane to iso-osmotic salt and water-deficit stress.Disease-free sugarcane plantlets derived from meristem cuttings were photo-autotrophically grown in MS media and subsequently exposed to -0.23(control),-0.67 or -1.20 MPa iso-osmotic NaCl(salt stress) or mannitol(water-deficit stress).Chlorophyll a(Chl a),chlorophyll b(Chl b),total carotenoids(Cx+c),maximum quantum yield of PSⅡ(Fv/Fm),photon yield of PSⅡ(PSⅡ),stomatal conductance(Gs) and transpiration rate(E) in the stressed plantlets were significantly reduced when compared to those of plantlets of the control group(without mannitol or NaCl),leading to net-photosynthetic rate(Pn) and growth reduction with positive correlation.In addition,physiological changes and growth parameters of plantlets in the salt stress conditions were more sharply reduced than those in water-deficit stress conditions.On the other hand,the proline content and non-photochemical quenching(NPQ) in the leaves of stressed plantlets increased significantly,especially in response to iso-osmotic salt stress.The chlorophyll pigments in iso-osmotic stressed leaves were significantly degraded(r2 = 0.93),related to low water oxidation(r2 = 0.87),low net-photosynthetic rate(r2 = 0.81),and growth reduction(r2 = 0.97).The multivariate biochemical,physiological and growth parameters in the present study should be further used to develop salt,or drought,tolerance indices in sugarcane breeding programs. | Suriyan Cha-um Chalermpol Kirdmanee | 2009 | Agricultural Sciences in China2009，8，1： | 6 |
| 3 | Effects of EHD on heat transfer enhance- ment and pressure drop during two-phase condensation of pure R- 134a at high mass flux in a horizontal micro-fin tube 显示文摘 | Suriyan L Somehai W | 2006 | Experi- mental Thermal and Fluid Science2006，30，： | 1 |
| 4 | Effect of EHD on heat transfer enhancement and pressure drop during two-phase condensation of pure R134a at high mass flux in a horizontal micro-tube显示文摘 | Suriyan Laohalertdecha Somchai Wongwises | 2006 | Experimental Thermal and Fluid Science2006，30，： | 1 |
| 5 | The effects of corrugation pitch onthe condensation heat transfer coefficient and pressure dropof R134a inside horizontal corrugated tube 显示文摘 | Suriyan L Somchai W | 2010 | International Journal of Heat Mass Transfer2010，53，： | 1 |
| 6 | The Reduction of Inventory and Warehouse Costs for Thai Traditional Wholesale Businesses of Consumer Products显示文摘 | Veeraphat Krittanathip Suriyan Cha-um Senee Suwandee Sakchai Rakkarn Chiratus Ratanamaneichat | 2013 | Procedia - Social and Behavioral Sciences2013，，： | 1 |
| 7 | Communication between host organism and cancer cells is trans- duced by systemic sphingosine kinase/sphingosine 1-phosphate sig- nalling to regulate turnout metastasis 显示文摘 | Suriyan Ponnusamy Shanmugam Panneer Selvam Shikhar Mehrotra | 2012 | EMBO Mol Med2012，4，8： | 1 |
| 8 | Direct Binding of Glyceraldehyde 3-Phosphate Dehydrogenase to Telomeric DNA Protects Telomeres against Chemotherapy-Induced Rapid Degradation显示文摘 | Neil A. Demarse Suriyan Ponnusamy Eleanor K. Spicer Elif Apohan John E. Baatz Besim Ogretmen Christopher Davies | 2009 | Journal of Molecular Biology2009，，： | 1 |
| 9 | Sphingolipids and cancer: ceramide and sphingosine-1-phosphate in the regulation of cell death and drug resistance显示文摘 | Suriyan Ponnusamy Marisa Meyers-Needham Can E Senkal Sahar A Saddoughi David Sentelle Shanmugam Panneer Selvam Arelis Salas Besim Ogretmen | 2010 | Future Oncol2010，，10： | 1 |
| 10 | The effects of corrugation pitch on the con- densation heat transfer coefficient and pressure drop of R-134a in- side horizontal corrugated tube 显示文摘 | Suriyan L Somchai W | 2010 | International Journal of Heat and Mass Transfer2010，53，： | 1 |
| 11 | Iron Toxicity Tolerance of Rice Genotypes in Relation to Growth,Yield and Physiochemical Characters显示文摘Iron(Fe)toxicity,generated from excess reduced ferrous Fe(Fe^(2+))ion formation within the soil under submerged condition,is a potent environmental stress that limits lowland rice production.Total 11 diverse Thai rice genotypes,including a recognized tolerant genotype Azucena and a susceptible genotype IR64,were evaluated against 5 Fe^(2+)levels[0(control),150,300,600 and 900 mg/L]to screen the tested genotypes for their Fe-toxicity tolerance and to classify them as a sensitive/tolerant category.The evaluation was conducted by a germination study,followed by a polyhouse study on growth,yield and physiochemical performances.Results showed significant variations in Fe^(2+)-tolerance across genotypes.Increasing Fe^(2+)level beyond 300 mg/L was detrimental for germination and growth of all the tested genotypes,although germination responses were negatively affected at Fe^(2+)≥300 mg/L.Physiochemical responses in the form of leaf greenness,net photosynthetic rate,membrane stability index and Fe contents in leaf and root were the most representative of Fe^(2+)-toxicity-mediated impairments on overall growth and yield.Difference in physiochemical responses was effectively correlated with the contrasting ability of the genotypes on lowering excess Fe^(2+)in tissues.Analysis of average tolerance and stress tolerance index unveiled that the genotypes RD85 and RD31 were the closest to the tolerant check Azucena and the sensitive check IR64,respectively.The unweighted pair group method with arithmetic means clustering revealed three major clusters,with cluster Ⅱ(four genotypes)being Fe^(2+)tolerant and cluster Ⅰ(four genotypes)being Fe^(2+)sensitive.Principal component(PC)analysis and genotype by trait-biplot analysis showed that the first two components explained 90.5%of the total variation,with PC1 accounting for 56.6%and PC2 for 33.9%of the total variation.The identified tolerant rice genotypes show potentials for cultivation in Fe^(2+)-toxic lowlands for increased productivity.The findings contribute to the present understanding on Fe^(2+)-toxicity response and provide a basis for future genotype selection or rice crop improvement programs against Fe^(2+)-toxicity. | Sheikh Faruk AHMED Hayat ULLAH May Zun AUNG Rujira TISARUM Suriyan CHA-UM Avishek DATTA | 2023 | Rice science2023，30，4： | 0 |
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