
一般財団法人
アショフ・ホンマ記念財団
general Incorporated Foundation
Aschoff and Honma Memorial Foundation
Last updated 2026/6/30

Sapporo Symposium
on
BIOLOGICAL RHYTHM 2026
Hokkaido University Conference Hall
September 11 - 12, 2026
生物リズムに関する札幌シンポジウム2026を
2026年9月11日(金)12日(土)に
開催いたします
9月11日午後には
アショフ・ホンマ賞の授賞式ならびに
記念講演とシンポジウムがあります
詳細は随時掲載いたします
Sapporo Symposium on Biological Rhythm 2026 will be held on September 11th and 12th.
The Aschoff and Homma Prize ceremony, commemorative lecture, and symposium will be held on the afternoon of September 11th.
Details will be posted as they become available.
開催要項
1. 日程:2026年9月11日(金)~12日(土)
会場:北海道大学学術交流会館
(札幌市中央区北8条西5丁目)
2. 登録:登録フォーム(click)に必要事項を記入の上送信ください。
登録期限:8月31日(当日受付もいたします。)
3.参加費:一般・15,000円(大学生・大学院生・10,000円)
(要旨集、懇親会代が含まれます)
※参加費は9月11日にシンポジウム会場(北大学術交流会館)受付にて現金でお支払いください
4. ランチョンポスター
シンポジウムに登録後、
お申し込みください
応募期限:6月30日
ポスターサイズ:W80cm x H140cm以下
北大学術交流会館ホールに展示します
※9月12日(土)のお昼は軽食と飲み物がつきます(無料)
5. アショフ・ホンマ賞 受賞祝賀会
日時:9月11日(金)19:00~21:00
場所:ホテルマイステイズ札幌アスペン
(参加費は登録料に含まれます)
6. ビザ
VISA申請に必要な書類(招待状、証明書など)が必要な参加者は、登録フォームに記入欄があります
7. 事務所
一般財団法人 アショフ・ホンマ記念財団
〒064-0915
札幌市中央区南15条西15丁目1-30ベルビル5階
General Information
1. Date: September 11-12, 2026
Venue: Hokkaido University Conference Hall
Chuoh-Ku, N 8, W 5, Sapporo,
Deadline: August 31.
※September 1 ~ at the conference desk
3.Registration fee: 15,000 JPY (Student 10,000 JPY)
(Inc. Abstract, Get-together Party)
※Payment: on the registration desk at the symposium (September 11, 2026) We accept cash only.
4. Luncheon Poster
※Please register for SSBR before applying.
Luncheon poster application Form(click)
Deadline: June 30
Poster Size: W80cm x H140cm or less
Display for 2days (Sep 11-12).
Lunch box and beverage included.
5. Aschoff and Honma Prize
Awarding Party
(Included in Registration fee)
Date: September 11 (Fri) 19:00~21:00
Location: Hotel Mystays Sapporo Aspen
6. VISA
The participant who needs documents for VISA application (ex. invitation letter, certification)fill out the registration form.
7. Office
Aschoff and Honma Memorial Foundation
Chuoh-Ku, S 15, W15, 064-0915 Sapporo, Japan
Sapporo Symposium on Biological Rhythm 2026
Program
September 11 Awarding Ceremony
12:00 Registration
13:00 Opening Address: Dr. Yujiro Yamanaka
13:05 Report by Dr. Russell Foster, the chairperson of ISC
13:10 Awarding: Dr. Ken-ichi Honma, the chief of SSBR, to Dr. Hiroki Ueda
13:15 Awarding Lecture: Dr. Hiroki Ueda
Why do we sleep? The Role of Calcium and Phosphorylation in Sleep
Chairperson: Dr. Ken-ichi Honma
14:00 Coffee Break
14:15 Memorial Symposium “Circadian Rhythms and Sleep”
Chairperson: Dr. Sato Honma
Dr. Daisuke Ono
cAMP signaling links sleep–wake circuits and the circadian clock
Dr. Kazuhiko Kume
Dr. Kazuhiro Yagita
16:30 Memorial Lecture
Chairperson: Dr.Ken-ichi Honma
Dr.Russell Foster (UK)
18:30 Celebrating Party
Hotel Mystays Sapporo Aspen F2
September 12 Sapporo Symposium on Biological Rhythm
8:45 Plenary Lecture 1
Chairperson:Dr. Kazuhiro Yagita
Dr.Ken-ichi Honma
The last massage from the pope, Colin S. Pittendrigh
9:15 Symposium 1 “Rhythm Entrainment: Master-Slave Interaction”
Chairperson: Dr.Takashi Yoshimura
Dr.Yujiro Yamanaka
Dr.Tomoko Yoshikawa
Dr.Dong-Gen Luo
10:45 Coffee Break
11:00 Plenary Lecture 2
Chairperson: Dr.Tokitaka Oyama
Dr.Carl Johnson
Insights into Pittendrigh’s insights from bacteria
11:45 Get-together photo at Central Lawn
12:00 Luncheon Poster
13:30 Symposium 2 “Circadian Pacemaker: Evening and Morning Oscillator Model”
Chairperson: Dr.Sato Honma
Dr.Taishi Yoshii
Morning and Evening oscillators reside in the 240 pacemaker neurons of the fruit fly, Drosophila melanogaster
Dr.Yasufumi Shigeyoshi
Dr.Qiguang Xie
Cis-Regulatory Architecture of PSEUDO-RESPONSE REGULATOR 9 and Its Role in the Integration of the Plant Circadian Clock and Environmental Signalling
15:00 Coffee Break
15:15 Symposium 3 “Seasonality: Internal and External Coincidence Model”
Chairperson: Dr.Takahiro Nakamura
Dr.Takashi Yoshimura
From Pittendrigh’s Coincidence Models to Seasonal Precision
Medicine
Dr.Wataru Nakamura
Dr.Tokitaka Oyama
Dr.Xiaodong Xu
LNK1, LNK2 and COR27, COR28 regulate diurnal expression of
FKF1 during photoperiodic flowering in Arabidopsis
17:15 Coffee Break
17:30 Plenary Lecture 3
Chairperson:Dr. Wataru Nakamura
Dr.Gene Block
The Scholar and the Snail: The Enduring Contributions of Colin Pittendrigh and Bulla gouldiana
18:30 Closing Address: Dr.Ken-ichi Honma
(Updated June 30, 2026)