Turusaki, K., S. Watanabe, N. Sakurai and S. Kuraishi. (1990) Conversion ofD-tryptophan to indole-3-acetic acid in coleoptiles of a normal and a semi-dwarf barley (Hordeum vulgare) strain. Physiol. Plant. 79:221-225.

Wakabayashi, K., N. Sakurai and S. Kuraishi. (1990)
Sugar composition and molecular weight distribution of cell wall polysaccharides in outer and inner tissues from segments of dark-grown squash (Cucurbita maxima Duch.)
hypocotyls. Plant Physiol. 93:998-1004.

Yamamoto, R. and N. Sakurai (1990)
A computer simulation of the creep process of the cell wall using stress relaxation parameters. Biorheology 27:759-768.

Wakabayashi, K., N. Sakurai and S. Kuraishi (1991)
Differential effect of auxin on molecular weight distributions of xyloglucans in cell walls of outer and inner tissues from segments of dark grown squash (Cucurbita maxima Duch.) hypocotyls. Plant Physiol. 95:1070-1076.

Kuraishi, S., K. Tasaki, N. Sakurai and K. Sadatoku (1991)
Changes in levels of cytokinins in etiolated squash seedlings after illumination. Plant Cell Physiol. 32:585-591.

Kojima, K., N. Sakurai, S. Kuraishi, R. Yamamoto and D. J. Nevins (1991)
Novel technique for measuring tissue firmness within tomato (Lycopersicon esculentum Mill.) fruit. Plant Physiol. 96:545-550.

Wakabayashi, K., N. Sakurai and S. Kuraishi (1991)
Effect of ABA on synthesis of cell-wall polysaccharides in segments of etiolated squash hypocotyl II. Levels of UDP-neutral sugars. Plant Cell Physiol. 32:427-432.

Kokubo, A., N. Sakurai, S. Kuraishi and K. Takeda (1991)
Culm brittleness of barley (Hordeum vulgare L.) mutants is caused by smaller number of cellulose molecules in cell wall. Plant Physiol. 97:509-514.

Kojima, K., N. Sakurai, S. Kuraishi, R. Yamamoto and A. Inaba (1992)
Physical measurement of firmness of banana fruit pulp: determination of optimum conditions for measurement. Postharvest Biology and Technology 2:
41-49.

Sakurai, N. and D. J. Nevins (1992)
Evaluation of stress-relaxation in fruit tissue. Hort Technology 2:398-402.

Yamamoto, R., and N. Sakurai (1992)
Major factors governing growth in pea epicotyl segments: the cell wall mechanical properties, the osmotic potential and solute movement in the apoplast. Proc. Jap. Acad. 68(B):100-105.

Wakabayashi, K., K. Yamamura, N. Sakurai and S. Kuraishi (1993) Unchanged molecular-weight distribution of xyloglucans in outer tissue cell walls along intact growing hypocotyls of squash (Cucurbita maxima Duch.)
seedlings. Plant Cell Physiol. 34:143-149.

Kojima, K., S. Kuraishi, N. Sakurai, T. Itou and K. Turusaki (1993)
Spatial distribution of abscisic acid and 2-trans-abscisic acid in spears, buds, rhizomes and roots of asparagus (Asparagus officinalis L.) Scientia Horticulturae 54:177-189.

Kojima, K., S. Kuraishi, N. Sakurai and K. Fusao (1993)
Distribution of abscisic acid in different parts of the reproductive organs of tomato. Scientia Horticulturae 56:23-30.

Kato, T., N. Sakurai and S. Kuraishi (1993)
The changes of endogenous abscisic acid in developing grain of two rice cultivars with different grain size. Japanese J Crop Sci. 62(3):456-461.

Sakurai, N. and D. J. Nevins (1993)
Changes in physical properties and cell wall polysaccharides of tomato (Lycopersicon esculentum) pericarp tissues.
Physiol. Plant. 89:681-686.

Rajagopal, R., K. Tsurusaki, S. Kuraishi and N. Sakurai (1993)
Cell-free root preparations of aseptically grown squash seedlings convert N-hydroxy-tryptophan to indoleacetic acid. Plant Physiol. (Life Sci. Adv.)
12:17-26.

Kojima, K., N. Sakurai and S. Kuraishi (1994)
Fruit softening in banana: correlation among stress-relaxation parameters, cell wall components and starch during ripening. Physiol. Plant. 90:772-778.

Wakushima, S., S. Kuraishi and N. Sakurai (1994)
Soil salinity and pH in Japanese mangrove forests and growth of cultivated mangrove plants in different soil conditions. J. Plant Res. 107:39-46.

Wakushima, S., S. Kuraishi, N. Sakurai, K. Supappibul and S.
Siripatanadilok (1994) Stable soil pH of Thai mangroves in dry and rainy seasons and its relation to zonal distribution of mangroves. J. Plant Res.
107:47-52.

Rajagopal, R., K. Turusaki, G. Kannangara, S. Kuraishi and N. Sakurai
(1994) Natural occurrence of indoleacetamide and amidohydrolase activity
in etiolated aseptically-grown squash seedlings. Plant Cell Physiol.
35:329-339.

Le Van, Hoa, S. Kuraishi and N. Sakurai (1994)
Aluminum-induced rapid root inhibition and changes in cell wall components of squash seedlings. Plant Physiol. 106:971-976.

Tominaga, R., N. Sakurai and S. Kuraishi (1994)
Brassinolide-induced elongation of inner tissues of squash (Cucurbita maxima Duch.) hypocotyl segments. Plant Cell Physiol. 35:1103-1106.

Kojima, K., N. Sakurai and K. Tsurusaki (1994)
IAA distribution within tomato flower and fruit. Hort Science 29: 1200.

Kojima, K., N. Sakurai and S. Kuraishi (1994)
Changes in firmness andchemical constituents of banana fruits during ripening. Jap. J. Tropical Agriculture 38: 293-297.

Kojima, K., N. Sakurai and S. Kuraishi (1994)
Changes in firmness andchemical constituents of plantain fruit during ripening after ethylenetreatment. Jap. J. Tropical Agriculture 38: 323-327.

Kojima, K. and N. Sakurai (1994)
IAA distribution in etiolated spears ofasparagus. Hort Science 29:822.

Yeo, Up-Dong, W-Y Soh, H. Tasaka, N. Sakurai, S. Kuraishi and K. Takeda
(1995)
Cell wall polysaccharades of callus and suspension-cultured cells
from three cellulose-less mutants of barley (Hordeum vulgare L.) Plant Cell Physiol. 36: 931-936.

Wakushima, S., H. Yoshioka and N. Sakurai (1996)
Lateral female strobiliproduction of a Japanese red pine (Pinus densiflora Sieb. et Zucc.) cloneby exogenous cytokinin application. J. Forest Research 1:143-148.

Muramatsu, N., N. Sakurai, R. Yamamoto and D. J. Nevins (1996)
Nondestructive acoustic measurement of firmness for tomatoes, nectraines,plums and apricots. HortScience 31: 1199-1202.

Kotake, T., N. Nakagawa, K. Takeda and N. Sakurai (1997)
Purification andcharacterization of wall-bound exo-1,3-?-D-glucanase from barley (Hordeum vulgare L.) seedlings. Plant Cell Physiol. 38: 194-200.

Turusaki, K., K. Takeda and N. Sakurai (1997)
Conversion ofindole-3-acetaldehyde to indole-3-acetic acid in cell wall fraction ofbarley (Hordeum vulgare L.) seedlings. Plant Cell Physiol. 38: 352-356.

Turusaki, K., Y. Masuda and N. Sakurai (1997)
Distribution ofindole-3-acetic acid in apoplast and symplast of squash (Cucurbita maxima)hypocotyl. Plant Cell Physiol. 38: 268-273.

Sakurai, N. and D. J. Nevins (1997)
Relationship between fruit softeningand wall polysaccharides in Avocado (Persea americana Mill) mesocarp tissues. Plant Cell Physiol. 38: 603-610.

Martin, R., D. Dawson, N. Sakurai and D. J. Nevins (1997)
Evaluation of rheological properties contributing to fruit texture. Acta Horticulturae (in press).

Wakushima, T., H. Yoshioka and N. Sakurai (1997)
Promotion of lateral female strobili production in Pinus densiflora by cyltoinin application at a specific stage. J. Forest Research 2: 51-57.

Yeo, U.-D., Y. K. Chae, S. S. So, W. K. Lee and N. Sakurai (1997)
Developmental changes of sugar contents in the gall on the leaf of elm (Zelkowa serrata Makino) formed by Paracolopha morrisoni Baker
(Homopetra). J. Plant Biol. 40: 67-71.

Muramatsu, N., N. Sakurai, N. Wada, R. Yamamoto, T. Takahara, T. Asakura and D. J. Nevins (1997)
Critical comparison of an accelerometer and a laser Doppler vibrometer for measuring fruit firmness. HortTechnology 7: 434-438.

Sato, H., N. Sakurai, S. Sendo, H. Saneoka, H. Nobuyasu and K. Fujita
(1997)
Factors affecting leaf ara development in husk leaf of fling corn.
Crop. Sci. 37: 1826-1831.

Muramatsu, N., N. Sakurai, R. Yamamoto, D. J. Nevins, T. Takahara and T.
Ogata (1997)
Comparison of non-destructive acoustic method with an intrusive method for firmness measurement for kiwifruit. Postharvest Biol. & Tech. 12: 221-228.

Yeo, U., H. Kohmura, N. Nakagawa and N. Sakurai (1998)
Quantitative and qualitative changes in cell wall polysaccharides during somatic embryogenesis and plantlet development of asparagus (Asparagus officinalis L.). Plant Cell Physiol. 39: 607-614.

Nakagawa, N. and N. Sakurai (1998)
Increase in the amount of celA1 protein in tobacco BY-2 cells by a cellulose biosyntesis inhibitor, 2,6-dichlorobenzonitrile. Plant Cell Physiol. 39: 779-785.

Yeo, U. D., Y. K. Chae, W. K. Lee, S. S. So and N. Sakurai (1998)
Symplastic and apoplastic sugar contents in gall tissues and callus of the sumac (Rhus chinensis Mill.). J. Plant Biology 41: 135-141.

Yeo, U. D., W. Y. Soh, N. Nakagawa, N. Sakurai and K. Takeda (1998)
Long-term effects of several biochemical and physical factors on cellulose biosynthesis in callus and suspension cultures of normal and mutant of barley (Hordeum vulgare L.) strains producing less cellulose. J. Plant Biology 41: 219-226.

Chai, Y. K., K. H. Kim, U. Yeo and N. Sakurai (1998)
Long-term effects of gowth regulators and nitrogen sources on proliferation and turnover of cell wall polysaccharides in suspension culture of kidney bean (Phaseolus vulgaris L.) Korean J. Plant Tissue Culture 25: 477-485.

Wakabayashi, K., T. Hoson and N. Sakurai (1999)
Auxin stimulates the synthesis but not the loosening of cell walls in isolated outer tissue of dark-grown squash (Cucurbita maxima Duch.) hypocotyls. J. Plant Physiology
154: 197-202.

Muramatsu, N., N. Sakurai, N. Wada, R. Yamamoto, T. Takahara, T. Ogata and D. J. Nevins (1999)
Evaluation of fruit tissue texture and internal disorders by laser Doppler detection. Postharvest Biol. Technol. 15: 83-88.

Kimura, S., N. Sakurai and T. Itoh (1999)
Different distribution of cellulose synthesizing complexes in britle and non-britle strains of barley. Plant Cell Physiol. 40:335-338.

Yeo, U-D., J-Y. Han, Y-E. Choi, W-Y. Soh, N. Nakagawa and N. Sakurai
(1999)
Turnover of cell-wall polysaccharides during somatic embryogenesis and developmeint of celery (Apium graveolens L.) J. Plant Biology 42: 8-15.

Muramatsu, N., N. Sakurai, N. Wada, R. Yamamoto, T. Takahara, T. Asakura and D. J. Nevins (1999)
Remote sensing of fruit firmness by a laser Doppler vibromete. J. Amer. Soc. Hort. Sci. (in press).

総説

1. Sakurai, N. (1991) Cell wall functions in growth and development. Bot.
Mag. Tokyo, 104:235-251.

２. 桜井直樹・児島清秀　1993年　応力緩和法によるバナナ果実の硬さの測定法、農流技研会報　169：62-64

３. 桜井直樹・児島清秀・倉石晉　１９９４年　追熟バナナおよびトマト果実の物性と生化学的性質の相関の解析　New Food Industry 36:67-79.

４. 桜井直樹　1994年　植物細胞壁の伸長に伴う変化　植物の化学調節　
29:65-78.

５ 桜井直樹　1995年　植物組織・細胞の力学物性　日本バイオレオロジー学会誌　9：1-9.

６. 桜井直樹　1995年　オーキシンの生合成とその調節　植物の化学調節　30：
121−125

７. 桜井直樹　1995年　サイトカイニンの生合成とその調節　植物の化学調節　
30：125−128

８. 桜井直樹　1996年　植物には血管があるか　化学と生物　34：24-33.

９. 桜井直樹　1997年　植物のアポプラストとその機能　化学と生物　35：581-588.

1０. 桜井直樹 1997年 セルロース生合成解明がもたらすもの Cellulose
Communication 4: 108-113.

1１. Sakurai, N. (1998) Dynamic function and regulation of apoplast in the plant body. J. Plant Research 111: 133-148.

著書

桜井直樹・山本良一・加藤陽一 「植物細胞壁と多糖類」培風館
神阪盛一郎他著「植物の生命科学入門」培風館
柴岡弘郎編著「生長と分化」（現代植物生理学３）朝倉書店